Home / 95,431.60-131,698.92-52,990.84

Finding the Fourth Proportional to 95,431.60, 131,698.92 and 52,990.84

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Solution

The fourth proportional to 95,431.60, 131,698.92 and 52,990.84 is: 73,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.60 : 131,698.92 = 52,990.84 : x
  2. Step 2: Convert to fraction form
    95,431.60/131,698.92 = 52,990.84/x
  3. Step 3: Cross multiply
    95,431.60x = 131,698.92 × 52,990.84
  4. Step 4: Simplify right side
    95,431.60x = 6,978,836,397.89
  5. Step 5: Solve for x
    x = 6,978,836,397.89/95,431.60
  6. Step 6: Final answer
    x = 73,129.20

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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.