Home / 99,534.25-137,357.27-54,822.25

Finding the Fourth Proportional to 99,534.25, 137,357.27 and 54,822.25

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Solution

The fourth proportional to 99,534.25, 137,357.27 and 54,822.25 is: 75,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,534.25 : 137,357.27 = 54,822.25 : x
  2. Step 2: Convert to fraction form
    99,534.25/137,357.27 = 54,822.25/x
  3. Step 3: Cross multiply
    99,534.25x = 137,357.27 × 54,822.25
  4. Step 4: Simplify right side
    99,534.25x = 7,530,234,595.26
  5. Step 5: Solve for x
    x = 7,530,234,595.26/99,534.25
  6. Step 6: Final answer
    x = 75,654.71

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1.5x scale

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.