Home / 67,939.78-93,765.54-41,082.48

Finding the Fourth Proportional to 67,939.78, 93,765.54 and 41,082.48

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Solution

The fourth proportional to 67,939.78, 93,765.54 and 41,082.48 is: 56,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.78 : 93,765.54 = 41,082.48 : x
  2. Step 2: Convert to fraction form
    67,939.78/93,765.54 = 41,082.48/x
  3. Step 3: Cross multiply
    67,939.78x = 93,765.54 × 41,082.48
  4. Step 4: Simplify right side
    67,939.78x = 3,852,120,921.74
  5. Step 5: Solve for x
    x = 3,852,120,921.74/67,939.78
  6. Step 6: Final answer
    x = 56,699.05

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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.