Home / 68,434.96-102,568.56-38,877.68

Finding the Fourth Proportional to 68,434.96, 102,568.56 and 38,877.68

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Solution

The fourth proportional to 68,434.96, 102,568.56 and 38,877.68 is: 58,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,434.96 : 102,568.56 = 38,877.68 : x
  2. Step 2: Convert to fraction form
    68,434.96/102,568.56 = 38,877.68/x
  3. Step 3: Cross multiply
    68,434.96x = 102,568.56 × 38,877.68
  4. Step 4: Simplify right side
    68,434.96x = 3,987,627,653.74
  5. Step 5: Solve for x
    x = 3,987,627,653.74/68,434.96
  6. Step 6: Final answer
    x = 58,268.87

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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.