Home / 83,551.77-125,034.78-59,885.40

Finding the Fourth Proportional to 83,551.77, 125,034.78 and 59,885.40

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Solution

The fourth proportional to 83,551.77, 125,034.78 and 59,885.40 is: 89,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,551.77 : 125,034.78 = 59,885.40 : x
  2. Step 2: Convert to fraction form
    83,551.77/125,034.78 = 59,885.40/x
  3. Step 3: Cross multiply
    83,551.77x = 125,034.78 × 59,885.40
  4. Step 4: Simplify right side
    83,551.77x = 7,487,757,814.21
  5. Step 5: Solve for x
    x = 7,487,757,814.21/83,551.77
  6. Step 6: Final answer
    x = 89,618.18

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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.