Home / 69,939.40-96,293.46-65,170.12

Finding the Fourth Proportional to 69,939.40, 96,293.46 and 65,170.12

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Solution

The fourth proportional to 69,939.40, 96,293.46 and 65,170.12 is: 89,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.40 : 96,293.46 = 65,170.12 : x
  2. Step 2: Convert to fraction form
    69,939.40/96,293.46 = 65,170.12/x
  3. Step 3: Cross multiply
    69,939.40x = 96,293.46 × 65,170.12
  4. Step 4: Simplify right side
    69,939.40x = 6,275,456,343.42
  5. Step 5: Solve for x
    x = 6,275,456,343.42/69,939.40
  6. Step 6: Final answer
    x = 89,727.05

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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.