Home / 83,311.20-114,972.48-45,585.72

Finding the Fourth Proportional to 83,311.20, 114,972.48 and 45,585.72

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Solution

The fourth proportional to 83,311.20, 114,972.48 and 45,585.72 is: 62,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,311.20 : 114,972.48 = 45,585.72 : x
  2. Step 2: Convert to fraction form
    83,311.20/114,972.48 = 45,585.72/x
  3. Step 3: Cross multiply
    83,311.20x = 114,972.48 × 45,585.72
  4. Step 4: Simplify right side
    83,311.20x = 5,241,103,280.99
  5. Step 5: Solve for x
    x = 5,241,103,280.99/83,311.20
  6. Step 6: Final answer
    x = 62,909.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.