Home / 84,961.66-117,234.22-48,657.46

Finding the Fourth Proportional to 84,961.66, 117,234.22 and 48,657.46

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Solution

The fourth proportional to 84,961.66, 117,234.22 and 48,657.46 is: 67,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,961.66 : 117,234.22 = 48,657.46 : x
  2. Step 2: Convert to fraction form
    84,961.66/117,234.22 = 48,657.46/x
  3. Step 3: Cross multiply
    84,961.66x = 117,234.22 × 48,657.46
  4. Step 4: Simplify right side
    84,961.66x = 5,704,319,370.28
  5. Step 5: Solve for x
    x = 5,704,319,370.28/84,961.66
  6. Step 6: Final answer
    x = 67,139.92

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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.