Home / 53,999.82-74,519.52-30,126.47

Finding the Fourth Proportional to 53,999.82, 74,519.52 and 30,126.47

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Solution

The fourth proportional to 53,999.82, 74,519.52 and 30,126.47 is: 41,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.82 : 74,519.52 = 30,126.47 : x
  2. Step 2: Convert to fraction form
    53,999.82/74,519.52 = 30,126.47/x
  3. Step 3: Cross multiply
    53,999.82x = 74,519.52 × 30,126.47
  4. Step 4: Simplify right side
    53,999.82x = 2,245,009,711.10
  5. Step 5: Solve for x
    x = 2,245,009,711.10/53,999.82
  6. Step 6: Final answer
    x = 41,574.39

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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.