Home / 99,414.72-149,154.89-40,300.11

Finding the Fourth Proportional to 99,414.72, 149,154.89 and 40,300.11

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Solution

The fourth proportional to 99,414.72, 149,154.89 and 40,300.11 is: 60,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.72 : 149,154.89 = 40,300.11 : x
  2. Step 2: Convert to fraction form
    99,414.72/149,154.89 = 40,300.11/x
  3. Step 3: Cross multiply
    99,414.72x = 149,154.89 × 40,300.11
  4. Step 4: Simplify right side
    99,414.72x = 6,010,958,272.54
  5. Step 5: Solve for x
    x = 6,010,958,272.54/99,414.72
  6. Step 6: Final answer
    x = 60,463.46

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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.