Home / 77,216.22-115,841.34-43,951.95

Finding the Fourth Proportional to 77,216.22, 115,841.34 and 43,951.95

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Solution

The fourth proportional to 77,216.22, 115,841.34 and 43,951.95 is: 65,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,216.22 : 115,841.34 = 43,951.95 : x
  2. Step 2: Convert to fraction form
    77,216.22/115,841.34 = 43,951.95/x
  3. Step 3: Cross multiply
    77,216.22x = 115,841.34 × 43,951.95
  4. Step 4: Simplify right side
    77,216.22x = 5,091,452,783.61
  5. Step 5: Solve for x
    x = 5,091,452,783.61/77,216.22
  6. Step 6: Final answer
    x = 65,937.61

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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.