Home / 82,933.20-124,302.60-62,132.40

Finding the Fourth Proportional to 82,933.20, 124,302.60 and 62,132.40

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Solution

The fourth proportional to 82,933.20, 124,302.60 and 62,132.40 is: 93,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,933.20 : 124,302.60 = 62,132.40 : x
  2. Step 2: Convert to fraction form
    82,933.20/124,302.60 = 62,132.40/x
  3. Step 3: Cross multiply
    82,933.20x = 124,302.60 × 62,132.40
  4. Step 4: Simplify right side
    82,933.20x = 7,723,218,864.24
  5. Step 5: Solve for x
    x = 7,723,218,864.24/82,933.20
  6. Step 6: Final answer
    x = 93,125.78

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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.