Home / 99,306.02-148,912.24-36,081.57

Finding the Fourth Proportional to 99,306.02, 148,912.24 and 36,081.57

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Solution

The fourth proportional to 99,306.02, 148,912.24 and 36,081.57 is: 54,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.02 : 148,912.24 = 36,081.57 : x
  2. Step 2: Convert to fraction form
    99,306.02/148,912.24 = 36,081.57/x
  3. Step 3: Cross multiply
    99,306.02x = 148,912.24 × 36,081.57
  4. Step 4: Simplify right side
    99,306.02x = 5,372,987,411.42
  5. Step 5: Solve for x
    x = 5,372,987,411.42/99,306.02
  6. Step 6: Final answer
    x = 54,105.35

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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.