Home / 69,719.64-96,221.25-41,425.26

Finding the Fourth Proportional to 69,719.64, 96,221.25 and 41,425.26

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Solution

The fourth proportional to 69,719.64, 96,221.25 and 41,425.26 is: 57,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,719.64 : 96,221.25 = 41,425.26 : x
  2. Step 2: Convert to fraction form
    69,719.64/96,221.25 = 41,425.26/x
  3. Step 3: Cross multiply
    69,719.64x = 96,221.25 × 41,425.26
  4. Step 4: Simplify right side
    69,719.64x = 3,985,990,298.78
  5. Step 5: Solve for x
    x = 3,985,990,298.78/69,719.64
  6. Step 6: Final answer
    x = 57,171.70

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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.