Home / 113,461.11-156,575.02-62,472.79

Finding the Fourth Proportional to 113,461.11, 156,575.02 and 62,472.79

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Solution

The fourth proportional to 113,461.11, 156,575.02 and 62,472.79 is: 86,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,461.11 : 156,575.02 = 62,472.79 : x
  2. Step 2: Convert to fraction form
    113,461.11/156,575.02 = 62,472.79/x
  3. Step 3: Cross multiply
    113,461.11x = 156,575.02 × 62,472.79
  4. Step 4: Simplify right side
    113,461.11x = 9,781,678,343.71
  5. Step 5: Solve for x
    x = 9,781,678,343.71/113,461.11
  6. Step 6: Final answer
    x = 86,211.73

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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.