Home / 80,747.40-121,125.28-24,583.16

Finding the Fourth Proportional to 80,747.40, 121,125.28 and 24,583.16

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Solution

The fourth proportional to 80,747.40, 121,125.28 and 24,583.16 is: 36,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.40 : 121,125.28 = 24,583.16 : x
  2. Step 2: Convert to fraction form
    80,747.40/121,125.28 = 24,583.16/x
  3. Step 3: Cross multiply
    80,747.40x = 121,125.28 × 24,583.16
  4. Step 4: Simplify right side
    80,747.40x = 2,977,642,138.28
  5. Step 5: Solve for x
    x = 2,977,642,138.28/80,747.40
  6. Step 6: Final answer
    x = 36,876.01

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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.