Home / 102,422.46-141,331.58-57,097.02

Finding the Fourth Proportional to 102,422.46, 141,331.58 and 57,097.02

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Solution

The fourth proportional to 102,422.46, 141,331.58 and 57,097.02 is: 78,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,422.46 : 141,331.58 = 57,097.02 : x
  2. Step 2: Convert to fraction form
    102,422.46/141,331.58 = 57,097.02/x
  3. Step 3: Cross multiply
    102,422.46x = 141,331.58 × 57,097.02
  4. Step 4: Simplify right side
    102,422.46x = 8,069,612,049.89
  5. Step 5: Solve for x
    x = 8,069,612,049.89/102,422.46
  6. Step 6: Final answer
    x = 78,787.52

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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.