Home / 99,734.25-137,614.45-59,451.76

Finding the Fourth Proportional to 99,734.25, 137,614.45 and 59,451.76

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Solution

The fourth proportional to 99,734.25, 137,614.45 and 59,451.76 is: 82,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,734.25 : 137,614.45 = 59,451.76 : x
  2. Step 2: Convert to fraction form
    99,734.25/137,614.45 = 59,451.76/x
  3. Step 3: Cross multiply
    99,734.25x = 137,614.45 × 59,451.76
  4. Step 4: Simplify right side
    99,734.25x = 8,181,421,253.93
  5. Step 5: Solve for x
    x = 8,181,421,253.93/99,734.25
  6. Step 6: Final answer
    x = 82,032.21

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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.