Home / 99,618.92-149,441.33-40,456.52

Finding the Fourth Proportional to 99,618.92, 149,441.33 and 40,456.52

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Solution

The fourth proportional to 99,618.92, 149,441.33 and 40,456.52 is: 60,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,618.92 : 149,441.33 = 40,456.52 : x
  2. Step 2: Convert to fraction form
    99,618.92/149,441.33 = 40,456.52/x
  3. Step 3: Cross multiply
    99,618.92x = 149,441.33 × 40,456.52
  4. Step 4: Simplify right side
    99,618.92x = 6,045,875,509.91
  5. Step 5: Solve for x
    x = 6,045,875,509.91/99,618.92
  6. Step 6: Final answer
    x = 60,690.04

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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.