Home / 53,053.47-73,211.52-29,178.63

Finding the Fourth Proportional to 53,053.47, 73,211.52 and 29,178.63

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Solution

The fourth proportional to 53,053.47, 73,211.52 and 29,178.63 is: 40,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.47 : 73,211.52 = 29,178.63 : x
  2. Step 2: Convert to fraction form
    53,053.47/73,211.52 = 29,178.63/x
  3. Step 3: Cross multiply
    53,053.47x = 73,211.52 × 29,178.63
  4. Step 4: Simplify right side
    53,053.47x = 2,136,211,853.82
  5. Step 5: Solve for x
    x = 2,136,211,853.82/53,053.47
  6. Step 6: Final answer
    x = 40,265.26

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Half scale
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Double scale
Find fourth proportional to 53,054.47, 73,212.90 and 29,179.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.