Home / 113,751.94-156,979.30-62,766.90

Finding the Fourth Proportional to 113,751.94, 156,979.30 and 62,766.90

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Solution

The fourth proportional to 113,751.94, 156,979.30 and 62,766.90 is: 86,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,751.94 : 156,979.30 = 62,766.90 : x
  2. Step 2: Convert to fraction form
    113,751.94/156,979.30 = 62,766.90/x
  3. Step 3: Cross multiply
    113,751.94x = 156,979.30 × 62,766.90
  4. Step 4: Simplify right side
    113,751.94x = 9,853,104,025.17
  5. Step 5: Solve for x
    x = 9,853,104,025.17/113,751.94
  6. Step 6: Final answer
    x = 86,619.22

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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.