Home / 77,793.06-107,356.59-47,577.84

Finding the Fourth Proportional to 77,793.06, 107,356.59 and 47,577.84

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Solution

The fourth proportional to 77,793.06, 107,356.59 and 47,577.84 is: 65,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,793.06 : 107,356.59 = 47,577.84 : x
  2. Step 2: Convert to fraction form
    77,793.06/107,356.59 = 47,577.84/x
  3. Step 3: Cross multiply
    77,793.06x = 107,356.59 × 47,577.84
  4. Step 4: Simplify right side
    77,793.06x = 5,107,794,661.97
  5. Step 5: Solve for x
    x = 5,107,794,661.97/77,793.06
  6. Step 6: Final answer
    x = 65,658.74

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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.