Home / 99,027.24-136,676.52-77,474.04

Finding the Fourth Proportional to 99,027.24, 136,676.52 and 77,474.04

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Solution

The fourth proportional to 99,027.24, 136,676.52 and 77,474.04 is: 106,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.24 : 136,676.52 = 77,474.04 : x
  2. Step 2: Convert to fraction form
    99,027.24/136,676.52 = 77,474.04/x
  3. Step 3: Cross multiply
    99,027.24x = 136,676.52 × 77,474.04
  4. Step 4: Simplify right side
    99,027.24x = 10,588,882,177.54
  5. Step 5: Solve for x
    x = 10,588,882,177.54/99,027.24
  6. Step 6: Final answer
    x = 106,928.98

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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.