Home / 102,257.14-141,113.72-56,934.14

Finding the Fourth Proportional to 102,257.14, 141,113.72 and 56,934.14

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Solution

The fourth proportional to 102,257.14, 141,113.72 and 56,934.14 is: 78,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,257.14 : 141,113.72 = 56,934.14 : x
  2. Step 2: Convert to fraction form
    102,257.14/141,113.72 = 56,934.14/x
  3. Step 3: Cross multiply
    102,257.14x = 141,113.72 × 56,934.14
  4. Step 4: Simplify right side
    102,257.14x = 8,034,188,290.40
  5. Step 5: Solve for x
    x = 8,034,188,290.40/102,257.14
  6. Step 6: Final answer
    x = 78,568.48

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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.