Home / 73,487.16-101,411.85-40,781.24

Finding the Fourth Proportional to 73,487.16, 101,411.85 and 40,781.24

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Solution

The fourth proportional to 73,487.16, 101,411.85 and 40,781.24 is: 56,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487.16 : 101,411.85 = 40,781.24 : x
  2. Step 2: Convert to fraction form
    73,487.16/101,411.85 = 40,781.24/x
  3. Step 3: Cross multiply
    73,487.16x = 101,411.85 × 40,781.24
  4. Step 4: Simplify right side
    73,487.16x = 4,135,700,993.69
  5. Step 5: Solve for x
    x = 4,135,700,993.69/73,487.16
  6. Step 6: Final answer
    x = 56,277.88

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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.