Home / 99,811.80-149,827.05-62,414.10

Finding the Fourth Proportional to 99,811.80, 149,827.05 and 62,414.10

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Solution

The fourth proportional to 99,811.80, 149,827.05 and 62,414.10 is: 93,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811.80 : 149,827.05 = 62,414.10 : x
  2. Step 2: Convert to fraction form
    99,811.80/149,827.05 = 62,414.10/x
  3. Step 3: Cross multiply
    99,811.80x = 149,827.05 × 62,414.10
  4. Step 4: Simplify right side
    99,811.80x = 9,351,320,481.41
  5. Step 5: Solve for x
    x = 9,351,320,481.41/99,811.80
  6. Step 6: Final answer
    x = 93,689.53

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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.