Home / 99,847.25-137,789.46-54,525.32

Finding the Fourth Proportional to 99,847.25, 137,789.46 and 54,525.32

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Solution

The fourth proportional to 99,847.25, 137,789.46 and 54,525.32 is: 75,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,847.25 : 137,789.46 = 54,525.32 : x
  2. Step 2: Convert to fraction form
    99,847.25/137,789.46 = 54,525.32/x
  3. Step 3: Cross multiply
    99,847.25x = 137,789.46 × 54,525.32
  4. Step 4: Simplify right side
    99,847.25x = 7,513,014,399.13
  5. Step 5: Solve for x
    x = 7,513,014,399.13/99,847.25
  6. Step 6: Final answer
    x = 75,245.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.