Home / 78,347.34-117,537.87-24,310.94

Finding the Fourth Proportional to 78,347.34, 117,537.87 and 24,310.94

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Solution

The fourth proportional to 78,347.34, 117,537.87 and 24,310.94 is: 36,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,347.34 : 117,537.87 = 24,310.94 : x
  2. Step 2: Convert to fraction form
    78,347.34/117,537.87 = 24,310.94/x
  3. Step 3: Cross multiply
    78,347.34x = 117,537.87 × 24,310.94
  4. Step 4: Simplify right side
    78,347.34x = 2,857,456,454.90
  5. Step 5: Solve for x
    x = 2,857,456,454.90/78,347.34
  6. Step 6: Final answer
    x = 36,471.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.