Home / 95,120.40-131,263.92-52,680.72

Finding the Fourth Proportional to 95,120.40, 131,263.92 and 52,680.72

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Solution

The fourth proportional to 95,120.40, 131,263.92 and 52,680.72 is: 72,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.40 : 131,263.92 = 52,680.72 : x
  2. Step 2: Convert to fraction form
    95,120.40/131,263.92 = 52,680.72/x
  3. Step 3: Cross multiply
    95,120.40x = 131,263.92 × 52,680.72
  4. Step 4: Simplify right side
    95,120.40x = 6,915,077,815.62
  5. Step 5: Solve for x
    x = 6,915,077,815.62/95,120.40
  6. Step 6: Final answer
    x = 72,698.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.