Home / 71,201.80-98,251.56-39,366.36

Finding the Fourth Proportional to 71,201.80, 98,251.56 and 39,366.36

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Solution

The fourth proportional to 71,201.80, 98,251.56 and 39,366.36 is: 54,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.80 : 98,251.56 = 39,366.36 : x
  2. Step 2: Convert to fraction form
    71,201.80/98,251.56 = 39,366.36/x
  3. Step 3: Cross multiply
    71,201.80x = 98,251.56 × 39,366.36
  4. Step 4: Simplify right side
    71,201.80x = 3,867,806,281.52
  5. Step 5: Solve for x
    x = 3,867,806,281.52/71,201.80
  6. Step 6: Final answer
    x = 54,321.75

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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.