Home / 113,699.09-156,905.86-62,713.90

Finding the Fourth Proportional to 113,699.09, 156,905.86 and 62,713.90

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Solution

The fourth proportional to 113,699.09, 156,905.86 and 62,713.90 is: 86,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,699.09 : 156,905.86 = 62,713.90 : x
  2. Step 2: Convert to fraction form
    113,699.09/156,905.86 = 62,713.90/x
  3. Step 3: Cross multiply
    113,699.09x = 156,905.86 × 62,713.90
  4. Step 4: Simplify right side
    113,699.09x = 9,840,177,687.79
  5. Step 5: Solve for x
    x = 9,840,177,687.79/113,699.09
  6. Step 6: Final answer
    x = 86,545.79

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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.