Home / 71,324.11-98,427.26-39,493.00

Finding the Fourth Proportional to 71,324.11, 98,427.26 and 39,493.00

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Solution

The fourth proportional to 71,324.11, 98,427.26 and 39,493.00 is: 54,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.11 : 98,427.26 = 39,493.00 : x
  2. Step 2: Convert to fraction form
    71,324.11/98,427.26 = 39,493.00/x
  3. Step 3: Cross multiply
    71,324.11x = 98,427.26 × 39,493.00
  4. Step 4: Simplify right side
    71,324.11x = 3,887,187,287.04
  5. Step 5: Solve for x
    x = 3,887,187,287.04/71,324.11
  6. Step 6: Final answer
    x = 54,500.33

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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.