Home / 71,166.48-98,209.76-39,335.38

Finding the Fourth Proportional to 71,166.48, 98,209.76 and 39,335.38

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Solution

The fourth proportional to 71,166.48, 98,209.76 and 39,335.38 is: 54,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.48 : 98,209.76 = 39,335.38 : x
  2. Step 2: Convert to fraction form
    71,166.48/98,209.76 = 39,335.38/x
  3. Step 3: Cross multiply
    71,166.48x = 98,209.76 × 39,335.38
  4. Step 4: Simplify right side
    71,166.48x = 3,863,118,229.31
  5. Step 5: Solve for x
    x = 3,863,118,229.31/71,166.48
  6. Step 6: Final answer
    x = 54,282.83

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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.