Home / 53,131.77-73,322.70-29,259.06

Finding the Fourth Proportional to 53,131.77, 73,322.70 and 29,259.06

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Solution

The fourth proportional to 53,131.77, 73,322.70 and 29,259.06 is: 40,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.77 : 73,322.70 = 29,259.06 : x
  2. Step 2: Convert to fraction form
    53,131.77/73,322.70 = 29,259.06/x
  3. Step 3: Cross multiply
    53,131.77x = 73,322.70 × 29,259.06
  4. Step 4: Simplify right side
    53,131.77x = 2,145,353,278.66
  5. Step 5: Solve for x
    x = 2,145,353,278.66/53,131.77
  6. Step 6: Final answer
    x = 40,377.97

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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.