Home / 40,138.20-60,191.13-26,077.15

Finding the Fourth Proportional to 40,138.20, 60,191.13 and 26,077.15

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Solution

The fourth proportional to 40,138.20, 60,191.13 and 26,077.15 is: 39,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.20 : 60,191.13 = 26,077.15 : x
  2. Step 2: Convert to fraction form
    40,138.20/60,191.13 = 26,077.15/x
  3. Step 3: Cross multiply
    40,138.20x = 60,191.13 × 26,077.15
  4. Step 4: Simplify right side
    40,138.20x = 1,569,613,298.71
  5. Step 5: Solve for x
    x = 1,569,613,298.71/40,138.20
  6. Step 6: Final answer
    x = 39,105.22

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1.5x scale

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.