Home / 82,423.96-123,534.60-37,989.04

Finding the Fourth Proportional to 82,423.96, 123,534.60 and 37,989.04

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Solution

The fourth proportional to 82,423.96, 123,534.60 and 37,989.04 is: 56,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.96 : 123,534.60 = 37,989.04 : x
  2. Step 2: Convert to fraction form
    82,423.96/123,534.60 = 37,989.04/x
  3. Step 3: Cross multiply
    82,423.96x = 123,534.60 × 37,989.04
  4. Step 4: Simplify right side
    82,423.96x = 4,692,960,860.78
  5. Step 5: Solve for x
    x = 4,692,960,860.78/82,423.96
  6. Step 6: Final answer
    x = 56,936.85

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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.