Home / 113,109.56-156,098.22-62,808.92

Finding the Fourth Proportional to 113,109.56, 156,098.22 and 62,808.92

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Solution

The fourth proportional to 113,109.56, 156,098.22 and 62,808.92 is: 86,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,109.56 : 156,098.22 = 62,808.92 : x
  2. Step 2: Convert to fraction form
    113,109.56/156,098.22 = 62,808.92/x
  3. Step 3: Cross multiply
    113,109.56x = 156,098.22 × 62,808.92
  4. Step 4: Simplify right side
    113,109.56x = 9,804,360,612.12
  5. Step 5: Solve for x
    x = 9,804,360,612.12/113,109.56
  6. Step 6: Final answer
    x = 86,680.21

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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.