Home / 71,031.33-98,023.57-39,202.28

Finding the Fourth Proportional to 71,031.33, 98,023.57 and 39,202.28

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Solution

The fourth proportional to 71,031.33, 98,023.57 and 39,202.28 is: 54,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031.33 : 98,023.57 = 39,202.28 : x
  2. Step 2: Convert to fraction form
    71,031.33/98,023.57 = 39,202.28/x
  3. Step 3: Cross multiply
    71,031.33x = 98,023.57 × 39,202.28
  4. Step 4: Simplify right side
    71,031.33x = 3,842,747,217.20
  5. Step 5: Solve for x
    x = 3,842,747,217.20/71,031.33
  6. Step 6: Final answer
    x = 54,099.33

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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.