Home / 83,057.20-124,585.80-59,729.20

Finding the Fourth Proportional to 83,057.20, 124,585.80 and 59,729.20

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Solution

The fourth proportional to 83,057.20, 124,585.80 and 59,729.20 is: 89,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,057.20 : 124,585.80 = 59,729.20 : x
  2. Step 2: Convert to fraction form
    83,057.20/124,585.80 = 59,729.20/x
  3. Step 3: Cross multiply
    83,057.20x = 124,585.80 × 59,729.20
  4. Step 4: Simplify right side
    83,057.20x = 7,441,410,165.36
  5. Step 5: Solve for x
    x = 7,441,410,165.36/83,057.20
  6. Step 6: Final answer
    x = 89,593.80

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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.