Home / 69,345.11-95,698.97-40,660.79

Finding the Fourth Proportional to 69,345.11, 95,698.97 and 40,660.79

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Solution

The fourth proportional to 69,345.11, 95,698.97 and 40,660.79 is: 56,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,345.11 : 95,698.97 = 40,660.79 : x
  2. Step 2: Convert to fraction form
    69,345.11/95,698.97 = 40,660.79/x
  3. Step 3: Cross multiply
    69,345.11x = 95,698.97 × 40,660.79
  4. Step 4: Simplify right side
    69,345.11x = 3,891,195,193.07
  5. Step 5: Solve for x
    x = 3,891,195,193.07/69,345.11
  6. Step 6: Final answer
    x = 56,113.47

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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.