Home / 69,080.50-95,331.09-39,272.50

Finding the Fourth Proportional to 69,080.50, 95,331.09 and 39,272.50

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Solution

The fourth proportional to 69,080.50, 95,331.09 and 39,272.50 is: 54,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.50 : 95,331.09 = 39,272.50 : x
  2. Step 2: Convert to fraction form
    69,080.50/95,331.09 = 39,272.50/x
  3. Step 3: Cross multiply
    69,080.50x = 95,331.09 × 39,272.50
  4. Step 4: Simplify right side
    69,080.50x = 3,743,890,232.03
  5. Step 5: Solve for x
    x = 3,743,890,232.03/69,080.50
  6. Step 6: Final answer
    x = 54,196.05

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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.