Home / 99,514.72-149,269.76-40,334.56

Finding the Fourth Proportional to 99,514.72, 149,269.76 and 40,334.56

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Solution

The fourth proportional to 99,514.72, 149,269.76 and 40,334.56 is: 60,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,514.72 : 149,269.76 = 40,334.56 : x
  2. Step 2: Convert to fraction form
    99,514.72/149,269.76 = 40,334.56/x
  3. Step 3: Cross multiply
    99,514.72x = 149,269.76 × 40,334.56
  4. Step 4: Simplify right side
    99,514.72x = 6,020,730,090.91
  5. Step 5: Solve for x
    x = 6,020,730,090.91/99,514.72
  6. Step 6: Final answer
    x = 60,500.90

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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.