Home / 99,540.04-149,332.21-36,360.04

Finding the Fourth Proportional to 99,540.04, 149,332.21 and 36,360.04

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Solution

The fourth proportional to 99,540.04, 149,332.21 and 36,360.04 is: 54,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,540.04 : 149,332.21 = 36,360.04 : x
  2. Step 2: Convert to fraction form
    99,540.04/149,332.21 = 36,360.04/x
  3. Step 3: Cross multiply
    99,540.04x = 149,332.21 × 36,360.04
  4. Step 4: Simplify right side
    99,540.04x = 5,429,724,944.66
  5. Step 5: Solve for x
    x = 5,429,724,944.66/99,540.04
  6. Step 6: Final answer
    x = 54,548.15

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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.