Home / 40,105.59-60,138.13-23,470.62

Finding the Fourth Proportional to 40,105.59, 60,138.13 and 23,470.62

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Solution

The fourth proportional to 40,105.59, 60,138.13 and 23,470.62 is: 35,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.59 : 60,138.13 = 23,470.62 : x
  2. Step 2: Convert to fraction form
    40,105.59/60,138.13 = 23,470.62/x
  3. Step 3: Cross multiply
    40,105.59x = 60,138.13 × 23,470.62
  4. Step 4: Simplify right side
    40,105.59x = 1,411,479,138.06
  5. Step 5: Solve for x
    x = 1,411,479,138.06/40,105.59
  6. Step 6: Final answer
    x = 35,194.07

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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.