Home / 95,211.32-131,391.45-52,190.78

Finding the Fourth Proportional to 95,211.32, 131,391.45 and 52,190.78

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Solution

The fourth proportional to 95,211.32, 131,391.45 and 52,190.78 is: 72,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,211.32 : 131,391.45 = 52,190.78 : x
  2. Step 2: Convert to fraction form
    95,211.32/131,391.45 = 52,190.78/x
  3. Step 3: Cross multiply
    95,211.32x = 131,391.45 × 52,190.78
  4. Step 4: Simplify right side
    95,211.32x = 6,857,421,603.87
  5. Step 5: Solve for x
    x = 6,857,421,603.87/95,211.32
  6. Step 6: Final answer
    x = 72,023.18

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1.5x scale

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.