Home / 81,293.40-121,952.76-48,037.44

Finding the Fourth Proportional to 81,293.40, 121,952.76 and 48,037.44

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Solution

The fourth proportional to 81,293.40, 121,952.76 and 48,037.44 is: 72,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,293.40 : 121,952.76 = 48,037.44 : x
  2. Step 2: Convert to fraction form
    81,293.40/121,952.76 = 48,037.44/x
  3. Step 3: Cross multiply
    81,293.40x = 121,952.76 × 48,037.44
  4. Step 4: Simplify right side
    81,293.40x = 5,858,298,391.33
  5. Step 5: Solve for x
    x = 5,858,298,391.33/81,293.40
  6. Step 6: Final answer
    x = 72,063.64

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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.