Home / 76,964.39-115,463.88-27,047.93

Finding the Fourth Proportional to 76,964.39, 115,463.88 and 27,047.93

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Solution

The fourth proportional to 76,964.39, 115,463.88 and 27,047.93 is: 40,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.39 : 115,463.88 = 27,047.93 : x
  2. Step 2: Convert to fraction form
    76,964.39/115,463.88 = 27,047.93/x
  3. Step 3: Cross multiply
    76,964.39x = 115,463.88 × 27,047.93
  4. Step 4: Simplify right side
    76,964.39x = 3,123,058,366.45
  5. Step 5: Solve for x
    x = 3,123,058,366.45/76,964.39
  6. Step 6: Final answer
    x = 40,577.97

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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.