Home / 71,026.20-98,018.17-39,197.14

Finding the Fourth Proportional to 71,026.20, 98,018.17 and 39,197.14

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Solution

The fourth proportional to 71,026.20, 98,018.17 and 39,197.14 is: 54,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.20 : 98,018.17 = 39,197.14 : x
  2. Step 2: Convert to fraction form
    71,026.20/98,018.17 = 39,197.14/x
  3. Step 3: Cross multiply
    71,026.20x = 98,018.17 × 39,197.14
  4. Step 4: Simplify right side
    71,026.20x = 3,842,031,589.00
  5. Step 5: Solve for x
    x = 3,842,031,589.00/71,026.20
  6. Step 6: Final answer
    x = 54,093.16

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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.