Home / 102,568.41-141,551.50-57,255.20

Finding the Fourth Proportional to 102,568.41, 141,551.50 and 57,255.20

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Solution

The fourth proportional to 102,568.41, 141,551.50 and 57,255.20 is: 79,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568.41 : 141,551.50 = 57,255.20 : x
  2. Step 2: Convert to fraction form
    102,568.41/141,551.50 = 57,255.20/x
  3. Step 3: Cross multiply
    102,568.41x = 141,551.50 × 57,255.20
  4. Step 4: Simplify right side
    102,568.41x = 8,104,559,442.80
  5. Step 5: Solve for x
    x = 8,104,559,442.80/102,568.41
  6. Step 6: Final answer
    x = 79,016.14

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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.