Home / 79,247.72-109,373.06-49,042.76

Finding the Fourth Proportional to 79,247.72, 109,373.06 and 49,042.76

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Solution

The fourth proportional to 79,247.72, 109,373.06 and 49,042.76 is: 67,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.72 : 109,373.06 = 49,042.76 : x
  2. Step 2: Convert to fraction form
    79,247.72/109,373.06 = 49,042.76/x
  3. Step 3: Cross multiply
    79,247.72x = 109,373.06 × 49,042.76
  4. Step 4: Simplify right side
    79,247.72x = 5,363,957,264.80
  5. Step 5: Solve for x
    x = 5,363,957,264.80/79,247.72
  6. Step 6: Final answer
    x = 67,685.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.