Home / 81,194.95-111,947.06-62,098.15

Finding the Fourth Proportional to 81,194.95, 111,947.06 and 62,098.15

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Solution

The fourth proportional to 81,194.95, 111,947.06 and 62,098.15 is: 85,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,194.95 : 111,947.06 = 62,098.15 : x
  2. Step 2: Convert to fraction form
    81,194.95/111,947.06 = 62,098.15/x
  3. Step 3: Cross multiply
    81,194.95x = 111,947.06 × 62,098.15
  4. Step 4: Simplify right side
    81,194.95x = 6,951,704,764.20
  5. Step 5: Solve for x
    x = 6,951,704,764.20/81,194.95
  6. Step 6: Final answer
    x = 85,617.46

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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.