Home / 71,040.38-98,034.44-39,208.59

Finding the Fourth Proportional to 71,040.38, 98,034.44 and 39,208.59

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Solution

The fourth proportional to 71,040.38, 98,034.44 and 39,208.59 is: 54,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.38 : 98,034.44 = 39,208.59 : x
  2. Step 2: Convert to fraction form
    71,040.38/98,034.44 = 39,208.59/x
  3. Step 3: Cross multiply
    71,040.38x = 98,034.44 × 39,208.59
  4. Step 4: Simplify right side
    71,040.38x = 3,843,791,967.80
  5. Step 5: Solve for x
    x = 3,843,791,967.80/71,040.38
  6. Step 6: Final answer
    x = 54,107.15

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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.