Home / 57,440.13-86,164.29-15,319.97

Finding the Fourth Proportional to 57,440.13, 86,164.29 and 15,319.97

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Solution

The fourth proportional to 57,440.13, 86,164.29 and 15,319.97 is: 22,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440.13 : 86,164.29 = 15,319.97 : x
  2. Step 2: Convert to fraction form
    57,440.13/86,164.29 = 15,319.97/x
  3. Step 3: Cross multiply
    57,440.13x = 86,164.29 × 15,319.97
  4. Step 4: Simplify right side
    57,440.13x = 1,320,034,553.28
  5. Step 5: Solve for x
    x = 1,320,034,553.28/57,440.13
  6. Step 6: Final answer
    x = 22,981.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.