Home / 69,080.79-95,331.02-39,272.79

Finding the Fourth Proportional to 69,080.79, 95,331.02 and 39,272.79

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Solution

The fourth proportional to 69,080.79, 95,331.02 and 39,272.79 is: 54,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.79 : 95,331.02 = 39,272.79 : x
  2. Step 2: Convert to fraction form
    69,080.79/95,331.02 = 39,272.79/x
  3. Step 3: Cross multiply
    69,080.79x = 95,331.02 × 39,272.79
  4. Step 4: Simplify right side
    69,080.79x = 3,743,914,932.58
  5. Step 5: Solve for x
    x = 3,743,914,932.58/69,080.79
  6. Step 6: Final answer
    x = 54,196.18

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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.