Home / 115,920.38-173,795.52-36,989.12

Finding the Fourth Proportional to 115,920.38, 173,795.52 and 36,989.12

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Solution

The fourth proportional to 115,920.38, 173,795.52 and 36,989.12 is: 55,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.38 : 173,795.52 = 36,989.12 : x
  2. Step 2: Convert to fraction form
    115,920.38/173,795.52 = 36,989.12/x
  3. Step 3: Cross multiply
    115,920.38x = 173,795.52 × 36,989.12
  4. Step 4: Simplify right side
    115,920.38x = 6,428,543,344.74
  5. Step 5: Solve for x
    x = 6,428,543,344.74/115,920.38
  6. Step 6: Final answer
    x = 55,456.54

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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.