Home / 113,742.95-156,966.89-62,757.90

Finding the Fourth Proportional to 113,742.95, 156,966.89 and 62,757.90

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Solution

The fourth proportional to 113,742.95, 156,966.89 and 62,757.90 is: 86,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.95 : 156,966.89 = 62,757.90 : x
  2. Step 2: Convert to fraction form
    113,742.95/156,966.89 = 62,757.90/x
  3. Step 3: Cross multiply
    113,742.95x = 156,966.89 × 62,757.90
  4. Step 4: Simplify right side
    113,742.95x = 9,850,912,072.14
  5. Step 5: Solve for x
    x = 9,850,912,072.14/113,742.95
  6. Step 6: Final answer
    x = 86,606.80

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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.