Home / 71,240.38-98,761.30-67,448.36

Finding the Fourth Proportional to 71,240.38, 98,761.30 and 67,448.36

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Solution

The fourth proportional to 71,240.38, 98,761.30 and 67,448.36 is: 93,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,240.38 : 98,761.30 = 67,448.36 : x
  2. Step 2: Convert to fraction form
    71,240.38/98,761.30 = 67,448.36/x
  3. Step 3: Cross multiply
    71,240.38x = 98,761.30 × 67,448.36
  4. Step 4: Simplify right side
    71,240.38x = 6,661,287,379.23
  5. Step 5: Solve for x
    x = 6,661,287,379.23/71,240.38
  6. Step 6: Final answer
    x = 93,504.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.