Home / 68,717.25-103,088.19-35,428.38

Finding the Fourth Proportional to 68,717.25, 103,088.19 and 35,428.38

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Solution

The fourth proportional to 68,717.25, 103,088.19 and 35,428.38 is: 53,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717.25 : 103,088.19 = 35,428.38 : x
  2. Step 2: Convert to fraction form
    68,717.25/103,088.19 = 35,428.38/x
  3. Step 3: Cross multiply
    68,717.25x = 103,088.19 × 35,428.38
  4. Step 4: Simplify right side
    68,717.25x = 3,652,247,568.83
  5. Step 5: Solve for x
    x = 3,652,247,568.83/68,717.25
  6. Step 6: Final answer
    x = 53,148.92

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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.