Home / 83,626.38-125,235-75,530.16

Finding the Fourth Proportional to 83,626.38, 125,235 and 75,530.16

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Solution

The fourth proportional to 83,626.38, 125,235 and 75,530.16 is: 113,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626.38 : 125,235 = 75,530.16 : x
  2. Step 2: Convert to fraction form
    83,626.38/125,235 = 75,530.16/x
  3. Step 3: Cross multiply
    83,626.38x = 125,235 × 75,530.16
  4. Step 4: Simplify right side
    83,626.38x = 9,459,019,587.60
  5. Step 5: Solve for x
    x = 9,459,019,587.60/83,626.38
  6. Step 6: Final answer
    x = 113,110.48

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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.