Home / 79,726.16-119,367.78-40,163.32

Finding the Fourth Proportional to 79,726.16, 119,367.78 and 40,163.32

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Solution

The fourth proportional to 79,726.16, 119,367.78 and 40,163.32 is: 60,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726.16 : 119,367.78 = 40,163.32 : x
  2. Step 2: Convert to fraction form
    79,726.16/119,367.78 = 40,163.32/x
  3. Step 3: Cross multiply
    79,726.16x = 119,367.78 × 40,163.32
  4. Step 4: Simplify right side
    79,726.16x = 4,794,206,345.83
  5. Step 5: Solve for x
    x = 4,794,206,345.83/79,726.16
  6. Step 6: Final answer
    x = 60,133.42

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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.