Home / 99,565.91-137,338.18-59,249.58

Finding the Fourth Proportional to 99,565.91, 137,338.18 and 59,249.58

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Solution

The fourth proportional to 99,565.91, 137,338.18 and 59,249.58 is: 81,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,565.91 : 137,338.18 = 59,249.58 : x
  2. Step 2: Convert to fraction form
    99,565.91/137,338.18 = 59,249.58/x
  3. Step 3: Cross multiply
    99,565.91x = 137,338.18 × 59,249.58
  4. Step 4: Simplify right side
    99,565.91x = 8,137,229,153.10
  5. Step 5: Solve for x
    x = 8,137,229,153.10/99,565.91
  6. Step 6: Final answer
    x = 81,727.06

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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.