Home / 77,767.54-107,321.62-44,235.70

Finding the Fourth Proportional to 77,767.54, 107,321.62 and 44,235.70

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Solution

The fourth proportional to 77,767.54, 107,321.62 and 44,235.70 is: 61,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767.54 : 107,321.62 = 44,235.70 : x
  2. Step 2: Convert to fraction form
    77,767.54/107,321.62 = 44,235.70/x
  3. Step 3: Cross multiply
    77,767.54x = 107,321.62 × 44,235.70
  4. Step 4: Simplify right side
    77,767.54x = 4,747,446,985.83
  5. Step 5: Solve for x
    x = 4,747,446,985.83/77,767.54
  6. Step 6: Final answer
    x = 61,046.64

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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.