Home / 102,568.97-141,552.28-57,255.76

Finding the Fourth Proportional to 102,568.97, 141,552.28 and 57,255.76

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Solution

The fourth proportional to 102,568.97, 141,552.28 and 57,255.76 is: 79,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568.97 : 141,552.28 = 57,255.76 : x
  2. Step 2: Convert to fraction form
    102,568.97/141,552.28 = 57,255.76/x
  3. Step 3: Cross multiply
    102,568.97x = 141,552.28 × 57,255.76
  4. Step 4: Simplify right side
    102,568.97x = 8,104,683,371.13
  5. Step 5: Solve for x
    x = 8,104,683,371.13/102,568.97
  6. Step 6: Final answer
    x = 79,016.91

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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.