Home / 71,043.38-98,039.24-39,211.59

Finding the Fourth Proportional to 71,043.38, 98,039.24 and 39,211.59

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Solution

The fourth proportional to 71,043.38, 98,039.24 and 39,211.59 is: 54,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.38 : 98,039.24 = 39,211.59 : x
  2. Step 2: Convert to fraction form
    71,043.38/98,039.24 = 39,211.59/x
  3. Step 3: Cross multiply
    71,043.38x = 98,039.24 × 39,211.59
  4. Step 4: Simplify right side
    71,043.38x = 3,844,274,691.14
  5. Step 5: Solve for x
    x = 3,844,274,691.14/71,043.38
  6. Step 6: Final answer
    x = 54,111.65

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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.