Home / 99,468.56-149,203.24-40,305.35

Finding the Fourth Proportional to 99,468.56, 149,203.24 and 40,305.35

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Solution

The fourth proportional to 99,468.56, 149,203.24 and 40,305.35 is: 60,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.56 : 149,203.24 = 40,305.35 : x
  2. Step 2: Convert to fraction form
    99,468.56/149,203.24 = 40,305.35/x
  3. Step 3: Cross multiply
    99,468.56x = 149,203.24 × 40,305.35
  4. Step 4: Simplify right side
    99,468.56x = 6,013,687,962.55
  5. Step 5: Solve for x
    x = 6,013,687,962.55/99,468.56
  6. Step 6: Final answer
    x = 60,458.18

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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.