Home / 71,859.28-99,158.24-41,654.08

Finding the Fourth Proportional to 71,859.28, 99,158.24 and 41,654.08

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Solution

The fourth proportional to 71,859.28, 99,158.24 and 41,654.08 is: 57,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,859.28 : 99,158.24 = 41,654.08 : x
  2. Step 2: Convert to fraction form
    71,859.28/99,158.24 = 41,654.08/x
  3. Step 3: Cross multiply
    71,859.28x = 99,158.24 × 41,654.08
  4. Step 4: Simplify right side
    71,859.28x = 4,130,345,261.62
  5. Step 5: Solve for x
    x = 4,130,345,261.62/71,859.28
  6. Step 6: Final answer
    x = 57,478.24

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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.