Home / 80,972.88-121,454.93-24,813.15

Finding the Fourth Proportional to 80,972.88, 121,454.93 and 24,813.15

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Solution

The fourth proportional to 80,972.88, 121,454.93 and 24,813.15 is: 37,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,972.88 : 121,454.93 = 24,813.15 : x
  2. Step 2: Convert to fraction form
    80,972.88/121,454.93 = 24,813.15/x
  3. Step 3: Cross multiply
    80,972.88x = 121,454.93 × 24,813.15
  4. Step 4: Simplify right side
    80,972.88x = 3,013,679,208.60
  5. Step 5: Solve for x
    x = 3,013,679,208.60/80,972.88
  6. Step 6: Final answer
    x = 37,218.38

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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.