Home / 107,520.52-161,304.96-36,439.12

Finding the Fourth Proportional to 107,520.52, 161,304.96 and 36,439.12

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Solution

The fourth proportional to 107,520.52, 161,304.96 and 36,439.12 is: 54,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520.52 : 161,304.96 = 36,439.12 : x
  2. Step 2: Convert to fraction form
    107,520.52/161,304.96 = 36,439.12/x
  3. Step 3: Cross multiply
    107,520.52x = 161,304.96 × 36,439.12
  4. Step 4: Simplify right side
    107,520.52x = 5,877,810,794.04
  5. Step 5: Solve for x
    x = 5,877,810,794.04/107,520.52
  6. Step 6: Final answer
    x = 54,666.87

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1.5x scale

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.