Home / 99,947.52-137,923.44-54,627.04

Finding the Fourth Proportional to 99,947.52, 137,923.44 and 54,627.04

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Solution

The fourth proportional to 99,947.52, 137,923.44 and 54,627.04 is: 75,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.52 : 137,923.44 = 54,627.04 : x
  2. Step 2: Convert to fraction form
    99,947.52/137,923.44 = 54,627.04/x
  3. Step 3: Cross multiply
    99,947.52x = 137,923.44 × 54,627.04
  4. Step 4: Simplify right side
    99,947.52x = 7,534,349,273.82
  5. Step 5: Solve for x
    x = 7,534,349,273.82/99,947.52
  6. Step 6: Final answer
    x = 75,383.05

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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.