Home / 80,069.28-120,120.93-23,913.78

Finding the Fourth Proportional to 80,069.28, 120,120.93 and 23,913.78

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Solution

The fourth proportional to 80,069.28, 120,120.93 and 23,913.78 is: 35,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,069.28 : 120,120.93 = 23,913.78 : x
  2. Step 2: Convert to fraction form
    80,069.28/120,120.93 = 23,913.78/x
  3. Step 3: Cross multiply
    80,069.28x = 120,120.93 × 23,913.78
  4. Step 4: Simplify right side
    80,069.28x = 2,872,545,493.42
  5. Step 5: Solve for x
    x = 2,872,545,493.42/80,069.28
  6. Step 6: Final answer
    x = 35,875.75

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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.