Home / 99,724.60-149,458.92-43,549.48

Finding the Fourth Proportional to 99,724.60, 149,458.92 and 43,549.48

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Solution

The fourth proportional to 99,724.60, 149,458.92 and 43,549.48 is: 65,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.60 : 149,458.92 = 43,549.48 : x
  2. Step 2: Convert to fraction form
    99,724.60/149,458.92 = 43,549.48/x
  3. Step 3: Cross multiply
    99,724.60x = 149,458.92 × 43,549.48
  4. Step 4: Simplify right side
    99,724.60x = 6,508,858,247.36
  5. Step 5: Solve for x
    x = 6,508,858,247.36/99,724.60
  6. Step 6: Final answer
    x = 65,268.33

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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.