Home / 68,398.24-94,391.17-42,905.69

Finding the Fourth Proportional to 68,398.24, 94,391.17 and 42,905.69

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Solution

The fourth proportional to 68,398.24, 94,391.17 and 42,905.69 is: 59,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,398.24 : 94,391.17 = 42,905.69 : x
  2. Step 2: Convert to fraction form
    68,398.24/94,391.17 = 42,905.69/x
  3. Step 3: Cross multiply
    68,398.24x = 94,391.17 × 42,905.69
  4. Step 4: Simplify right side
    68,398.24x = 4,049,918,278.76
  5. Step 5: Solve for x
    x = 4,049,918,278.76/68,398.24
  6. Step 6: Final answer
    x = 59,210.86

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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.