Home / 83,029.40-124,580.55-38,633.30

Finding the Fourth Proportional to 83,029.40, 124,580.55 and 38,633.30

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Solution

The fourth proportional to 83,029.40, 124,580.55 and 38,633.30 is: 57,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,029.40 : 124,580.55 = 38,633.30 : x
  2. Step 2: Convert to fraction form
    83,029.40/124,580.55 = 38,633.30/x
  3. Step 3: Cross multiply
    83,029.40x = 124,580.55 × 38,633.30
  4. Step 4: Simplify right side
    83,029.40x = 4,812,957,762.32
  5. Step 5: Solve for x
    x = 4,812,957,762.32/83,029.40
  6. Step 6: Final answer
    x = 57,966.91

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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.