Home / 113,607.12-156,778.92-62,621.85

Finding the Fourth Proportional to 113,607.12, 156,778.92 and 62,621.85

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Solution

The fourth proportional to 113,607.12, 156,778.92 and 62,621.85 is: 86,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.12 : 156,778.92 = 62,621.85 : x
  2. Step 2: Convert to fraction form
    113,607.12/156,778.92 = 62,621.85/x
  3. Step 3: Cross multiply
    113,607.12x = 156,778.92 × 62,621.85
  4. Step 4: Simplify right side
    113,607.12x = 9,817,785,227.51
  5. Step 5: Solve for x
    x = 9,817,785,227.51/113,607.12
  6. Step 6: Final answer
    x = 86,418.75

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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.