Home / 95,944.12-132,439.36-72,139.92

Finding the Fourth Proportional to 95,944.12, 132,439.36 and 72,139.92

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Solution

The fourth proportional to 95,944.12, 132,439.36 and 72,139.92 is: 99,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,944.12 : 132,439.36 = 72,139.92 : x
  2. Step 2: Convert to fraction form
    95,944.12/132,439.36 = 72,139.92/x
  3. Step 3: Cross multiply
    95,944.12x = 132,439.36 × 72,139.92
  4. Step 4: Simplify right side
    95,944.12x = 9,554,164,835.25
  5. Step 5: Solve for x
    x = 9,554,164,835.25/95,944.12
  6. Step 6: Final answer
    x = 99,580.51

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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.