Home / 99,123.53-148,832.92-40,074.53

Finding the Fourth Proportional to 99,123.53, 148,832.92 and 40,074.53

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Solution

The fourth proportional to 99,123.53, 148,832.92 and 40,074.53 is: 60,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,123.53 : 148,832.92 = 40,074.53 : x
  2. Step 2: Convert to fraction form
    99,123.53/148,832.92 = 40,074.53/x
  3. Step 3: Cross multiply
    99,123.53x = 148,832.92 × 40,074.53
  4. Step 4: Simplify right side
    99,123.53x = 5,964,409,317.53
  5. Step 5: Solve for x
    x = 5,964,409,317.53/99,123.53
  6. Step 6: Final answer
    x = 60,171.48

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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.