Home / 80,866.38-121,323.03-33,472.74

Finding the Fourth Proportional to 80,866.38, 121,323.03 and 33,472.74

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Solution

The fourth proportional to 80,866.38, 121,323.03 and 33,472.74 is: 50,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866.38 : 121,323.03 = 33,472.74 : x
  2. Step 2: Convert to fraction form
    80,866.38/121,323.03 = 33,472.74/x
  3. Step 3: Cross multiply
    80,866.38x = 121,323.03 × 33,472.74
  4. Step 4: Simplify right side
    80,866.38x = 4,061,014,239.20
  5. Step 5: Solve for x
    x = 4,061,014,239.20/80,866.38
  6. Step 6: Final answer
    x = 50,218.82

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1.5x scale

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.