Home / 102,449.27-153,655.18-27,551.88

Finding the Fourth Proportional to 102,449.27, 153,655.18 and 27,551.88

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Solution

The fourth proportional to 102,449.27, 153,655.18 and 27,551.88 is: 41,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,449.27 : 153,655.18 = 27,551.88 : x
  2. Step 2: Convert to fraction form
    102,449.27/153,655.18 = 27,551.88/x
  3. Step 3: Cross multiply
    102,449.27x = 153,655.18 × 27,551.88
  4. Step 4: Simplify right side
    102,449.27x = 4,233,489,011.86
  5. Step 5: Solve for x
    x = 4,233,489,011.86/102,449.27
  6. Step 6: Final answer
    x = 41,322.78

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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.