Home / 80,923.24-121,384.86-34,176.52

Finding the Fourth Proportional to 80,923.24, 121,384.86 and 34,176.52

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Solution

The fourth proportional to 80,923.24, 121,384.86 and 34,176.52 is: 51,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923.24 : 121,384.86 = 34,176.52 : x
  2. Step 2: Convert to fraction form
    80,923.24/121,384.86 = 34,176.52/x
  3. Step 3: Cross multiply
    80,923.24x = 121,384.86 × 34,176.52
  4. Step 4: Simplify right side
    80,923.24x = 4,148,512,095.49
  5. Step 5: Solve for x
    x = 4,148,512,095.49/80,923.24
  6. Step 6: Final answer
    x = 51,264.78

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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.