Home / 71,091.92-98,106.52-39,260.68

Finding the Fourth Proportional to 71,091.92, 98,106.52 and 39,260.68

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Solution

The fourth proportional to 71,091.92, 98,106.52 and 39,260.68 is: 54,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.92 : 98,106.52 = 39,260.68 : x
  2. Step 2: Convert to fraction form
    71,091.92/98,106.52 = 39,260.68/x
  3. Step 3: Cross multiply
    71,091.92x = 98,106.52 × 39,260.68
  4. Step 4: Simplify right side
    71,091.92x = 3,851,728,687.63
  5. Step 5: Solve for x
    x = 3,851,728,687.63/71,091.92
  6. Step 6: Final answer
    x = 54,179.56

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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.