Home / 98,974.24-136,565.49-58,723.72

Finding the Fourth Proportional to 98,974.24, 136,565.49 and 58,723.72

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Solution

The fourth proportional to 98,974.24, 136,565.49 and 58,723.72 is: 81,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,974.24 : 136,565.49 = 58,723.72 : x
  2. Step 2: Convert to fraction form
    98,974.24/136,565.49 = 58,723.72/x
  3. Step 3: Cross multiply
    98,974.24x = 136,565.49 × 58,723.72
  4. Step 4: Simplify right side
    98,974.24x = 8,019,633,475.22
  5. Step 5: Solve for x
    x = 8,019,633,475.22/98,974.24
  6. Step 6: Final answer
    x = 81,027.48

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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.