Home / 95,311.38-131,531.64-57,072.60

Finding the Fourth Proportional to 95,311.38, 131,531.64 and 57,072.60

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Solution

The fourth proportional to 95,311.38, 131,531.64 and 57,072.60 is: 78,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,311.38 : 131,531.64 = 57,072.60 : x
  2. Step 2: Convert to fraction form
    95,311.38/131,531.64 = 57,072.60/x
  3. Step 3: Cross multiply
    95,311.38x = 131,531.64 × 57,072.60
  4. Step 4: Simplify right side
    95,311.38x = 7,506,852,677.06
  5. Step 5: Solve for x
    x = 7,506,852,677.06/95,311.38
  6. Step 6: Final answer
    x = 78,761.35

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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.