Home / 82,993.08-124,372.98-36,147.72

Finding the Fourth Proportional to 82,993.08, 124,372.98 and 36,147.72

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Solution

The fourth proportional to 82,993.08, 124,372.98 and 36,147.72 is: 54,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,993.08 : 124,372.98 = 36,147.72 : x
  2. Step 2: Convert to fraction form
    82,993.08/124,372.98 = 36,147.72/x
  3. Step 3: Cross multiply
    82,993.08x = 124,372.98 × 36,147.72
  4. Step 4: Simplify right side
    82,993.08x = 4,495,799,656.61
  5. Step 5: Solve for x
    x = 4,495,799,656.61/82,993.08
  6. Step 6: Final answer
    x = 54,170.78

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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.