Home / 57,711.16-86,569.89-18,265.33

Finding the Fourth Proportional to 57,711.16, 86,569.89 and 18,265.33

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Solution

The fourth proportional to 57,711.16, 86,569.89 and 18,265.33 is: 27,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.16 : 86,569.89 = 18,265.33 : x
  2. Step 2: Convert to fraction form
    57,711.16/86,569.89 = 18,265.33/x
  3. Step 3: Cross multiply
    57,711.16x = 86,569.89 × 18,265.33
  4. Step 4: Simplify right side
    57,711.16x = 1,581,227,608.91
  5. Step 5: Solve for x
    x = 1,581,227,608.91/57,711.16
  6. Step 6: Final answer
    x = 27,398.99

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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.