Home / 83,022.17-124,658.66-66,332.66

Finding the Fourth Proportional to 83,022.17, 124,658.66 and 66,332.66

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Solution

The fourth proportional to 83,022.17, 124,658.66 and 66,332.66 is: 99,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,022.17 : 124,658.66 = 66,332.66 : x
  2. Step 2: Convert to fraction form
    83,022.17/124,658.66 = 66,332.66/x
  3. Step 3: Cross multiply
    83,022.17x = 124,658.66 × 66,332.66
  4. Step 4: Simplify right side
    83,022.17x = 8,268,940,052.37
  5. Step 5: Solve for x
    x = 8,268,940,052.37/83,022.17
  6. Step 6: Final answer
    x = 99,599.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.