Home / 57,987.15-86,930.10-22,472.70

Finding the Fourth Proportional to 57,987.15, 86,930.10 and 22,472.70

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Solution

The fourth proportional to 57,987.15, 86,930.10 and 22,472.70 is: 33,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.15 : 86,930.10 = 22,472.70 : x
  2. Step 2: Convert to fraction form
    57,987.15/86,930.10 = 22,472.70/x
  3. Step 3: Cross multiply
    57,987.15x = 86,930.10 × 22,472.70
  4. Step 4: Simplify right side
    57,987.15x = 1,953,554,058.27
  5. Step 5: Solve for x
    x = 1,953,554,058.27/57,987.15
  6. Step 6: Final answer
    x = 33,689.43

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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.