Home / 68,983.78-103,478.10-26,867.02

Finding the Fourth Proportional to 68,983.78, 103,478.10 and 26,867.02

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Solution

The fourth proportional to 68,983.78, 103,478.10 and 26,867.02 is: 40,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,983.78 : 103,478.10 = 26,867.02 : x
  2. Step 2: Convert to fraction form
    68,983.78/103,478.10 = 26,867.02/x
  3. Step 3: Cross multiply
    68,983.78x = 103,478.10 × 26,867.02
  4. Step 4: Simplify right side
    68,983.78x = 2,780,148,182.26
  5. Step 5: Solve for x
    x = 2,780,148,182.26/68,983.78
  6. Step 6: Final answer
    x = 40,301.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.