Home / 68,867.45-103,301.01-38,868.09

Finding the Fourth Proportional to 68,867.45, 103,301.01 and 38,868.09

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Solution

The fourth proportional to 68,867.45, 103,301.01 and 38,868.09 is: 58,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,867.45 : 103,301.01 = 38,868.09 : x
  2. Step 2: Convert to fraction form
    68,867.45/103,301.01 = 38,868.09/x
  3. Step 3: Cross multiply
    68,867.45x = 103,301.01 × 38,868.09
  4. Step 4: Simplify right side
    68,867.45x = 4,015,112,566.39
  5. Step 5: Solve for x
    x = 4,015,112,566.39/68,867.45
  6. Step 6: Final answer
    x = 58,302.04

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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.