Home / 113,712.38-156,923.70-62,726.90

Finding the Fourth Proportional to 113,712.38, 156,923.70 and 62,726.90

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Solution

The fourth proportional to 113,712.38, 156,923.70 and 62,726.90 is: 86,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,712.38 : 156,923.70 = 62,726.90 : x
  2. Step 2: Convert to fraction form
    113,712.38/156,923.70 = 62,726.90/x
  3. Step 3: Cross multiply
    113,712.38x = 156,923.70 × 62,726.90
  4. Step 4: Simplify right side
    113,712.38x = 9,843,337,237.53
  5. Step 5: Solve for x
    x = 9,843,337,237.53/113,712.38
  6. Step 6: Final answer
    x = 86,563.46

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1.5x scale

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.