Home / 80,031.43-120,053.94-23,867.92

Finding the Fourth Proportional to 80,031.43, 120,053.94 and 23,867.92

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Solution

The fourth proportional to 80,031.43, 120,053.94 and 23,867.92 is: 35,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,031.43 : 120,053.94 = 23,867.92 : x
  2. Step 2: Convert to fraction form
    80,031.43/120,053.94 = 23,867.92/x
  3. Step 3: Cross multiply
    80,031.43x = 120,053.94 × 23,867.92
  4. Step 4: Simplify right side
    80,031.43x = 2,865,437,835.60
  5. Step 5: Solve for x
    x = 2,865,437,835.60/80,031.43
  6. Step 6: Final answer
    x = 35,803.91

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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.