Home / 77,082.98-115,623.18-23,047.79

Finding the Fourth Proportional to 77,082.98, 115,623.18 and 23,047.79

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Solution

The fourth proportional to 77,082.98, 115,623.18 and 23,047.79 is: 34,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,082.98 : 115,623.18 = 23,047.79 : x
  2. Step 2: Convert to fraction form
    77,082.98/115,623.18 = 23,047.79/x
  3. Step 3: Cross multiply
    77,082.98x = 115,623.18 × 23,047.79
  4. Step 4: Simplify right side
    77,082.98x = 2,664,858,941.27
  5. Step 5: Solve for x
    x = 2,664,858,941.27/77,082.98
  6. Step 6: Final answer
    x = 34,571.30

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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.