Home / 40,105.92-60,157.68-19,061.16

Finding the Fourth Proportional to 40,105.92, 60,157.68 and 19,061.16

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Solution

The fourth proportional to 40,105.92, 60,157.68 and 19,061.16 is: 28,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.92 : 60,157.68 = 19,061.16 : x
  2. Step 2: Convert to fraction form
    40,105.92/60,157.68 = 19,061.16/x
  3. Step 3: Cross multiply
    40,105.92x = 60,157.68 × 19,061.16
  4. Step 4: Simplify right side
    40,105.92x = 1,146,675,163.71
  5. Step 5: Solve for x
    x = 1,146,675,163.71/40,105.92
  6. Step 6: Final answer
    x = 28,591.17

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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.