Home / 71,164.26-98,205.66-39,332.52

Finding the Fourth Proportional to 71,164.26, 98,205.66 and 39,332.52

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Solution

The fourth proportional to 71,164.26, 98,205.66 and 39,332.52 is: 54,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,164.26 : 98,205.66 = 39,332.52 : x
  2. Step 2: Convert to fraction form
    71,164.26/98,205.66 = 39,332.52/x
  3. Step 3: Cross multiply
    71,164.26x = 98,205.66 × 39,332.52
  4. Step 4: Simplify right side
    71,164.26x = 3,862,676,086.06
  5. Step 5: Solve for x
    x = 3,862,676,086.06/71,164.26
  6. Step 6: Final answer
    x = 54,278.31

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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.