Home / 97,925.40-146,997.45-75,836.70

Finding the Fourth Proportional to 97,925.40, 146,997.45 and 75,836.70

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Solution

The fourth proportional to 97,925.40, 146,997.45 and 75,836.70 is: 113,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,925.40 : 146,997.45 = 75,836.70 : x
  2. Step 2: Convert to fraction form
    97,925.40/146,997.45 = 75,836.70/x
  3. Step 3: Cross multiply
    97,925.40x = 146,997.45 × 75,836.70
  4. Step 4: Simplify right side
    97,925.40x = 11,147,801,516.42
  5. Step 5: Solve for x
    x = 11,147,801,516.42/97,925.40
  6. Step 6: Final answer
    x = 113,839.73

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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.