Home / 71,026.07-98,013.11-39,194.55

Finding the Fourth Proportional to 71,026.07, 98,013.11 and 39,194.55

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Solution

The fourth proportional to 71,026.07, 98,013.11 and 39,194.55 is: 54,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.07 : 98,013.11 = 39,194.55 : x
  2. Step 2: Convert to fraction form
    71,026.07/98,013.11 = 39,194.55/x
  3. Step 3: Cross multiply
    71,026.07x = 98,013.11 × 39,194.55
  4. Step 4: Simplify right side
    71,026.07x = 3,841,579,544.58
  5. Step 5: Solve for x
    x = 3,841,579,544.58/71,026.07
  6. Step 6: Final answer
    x = 54,086.90

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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.