Home / 79,926.60-110,301.38-43,630.20

Finding the Fourth Proportional to 79,926.60, 110,301.38 and 43,630.20

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Solution

The fourth proportional to 79,926.60, 110,301.38 and 43,630.20 is: 60,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,926.60 : 110,301.38 = 43,630.20 : x
  2. Step 2: Convert to fraction form
    79,926.60/110,301.38 = 43,630.20/x
  3. Step 3: Cross multiply
    79,926.60x = 110,301.38 × 43,630.20
  4. Step 4: Simplify right side
    79,926.60x = 4,812,471,269.68
  5. Step 5: Solve for x
    x = 4,812,471,269.68/79,926.60
  6. Step 6: Final answer
    x = 60,211.13

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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.