Home / 79,922.70-119,726.10-40,508.10

Finding the Fourth Proportional to 79,922.70, 119,726.10 and 40,508.10

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Solution

The fourth proportional to 79,922.70, 119,726.10 and 40,508.10 is: 60,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,922.70 : 119,726.10 = 40,508.10 : x
  2. Step 2: Convert to fraction form
    79,922.70/119,726.10 = 40,508.10/x
  3. Step 3: Cross multiply
    79,922.70x = 119,726.10 × 40,508.10
  4. Step 4: Simplify right side
    79,922.70x = 4,849,876,831.41
  5. Step 5: Solve for x
    x = 4,849,876,831.41/79,922.70
  6. Step 6: Final answer
    x = 60,682.09

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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.