Home / 79,930.92-110,344.59-49,726.05

Finding the Fourth Proportional to 79,930.92, 110,344.59 and 49,726.05

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Solution

The fourth proportional to 79,930.92, 110,344.59 and 49,726.05 is: 68,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.92 : 110,344.59 = 49,726.05 : x
  2. Step 2: Convert to fraction form
    79,930.92/110,344.59 = 49,726.05/x
  3. Step 3: Cross multiply
    79,930.92x = 110,344.59 × 49,726.05
  4. Step 4: Simplify right side
    79,930.92x = 5,487,000,599.57
  5. Step 5: Solve for x
    x = 5,487,000,599.57/79,930.92
  6. Step 6: Final answer
    x = 68,646.78

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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.