Home / 71,917.34-99,246.42-40,088.24

Finding the Fourth Proportional to 71,917.34, 99,246.42 and 40,088.24

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Solution

The fourth proportional to 71,917.34, 99,246.42 and 40,088.24 is: 55,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,917.34 : 99,246.42 = 40,088.24 : x
  2. Step 2: Convert to fraction form
    71,917.34/99,246.42 = 40,088.24/x
  3. Step 3: Cross multiply
    71,917.34x = 99,246.42 × 40,088.24
  4. Step 4: Simplify right side
    71,917.34x = 3,978,614,304.10
  5. Step 5: Solve for x
    x = 3,978,614,304.10/71,917.34
  6. Step 6: Final answer
    x = 55,322.04

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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.