Home / 107,752.08-161,449.92-55,089.12

Finding the Fourth Proportional to 107,752.08, 161,449.92 and 55,089.12

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Solution

The fourth proportional to 107,752.08, 161,449.92 and 55,089.12 is: 82,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,752.08 : 161,449.92 = 55,089.12 : x
  2. Step 2: Convert to fraction form
    107,752.08/161,449.92 = 55,089.12/x
  3. Step 3: Cross multiply
    107,752.08x = 161,449.92 × 55,089.12
  4. Step 4: Simplify right side
    107,752.08x = 8,894,134,016.87
  5. Step 5: Solve for x
    x = 8,894,134,016.87/107,752.08
  6. Step 6: Final answer
    x = 82,542.57

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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.