Home / 82,826.76-124,222.80-26,671.92

Finding the Fourth Proportional to 82,826.76, 124,222.80 and 26,671.92

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Solution

The fourth proportional to 82,826.76, 124,222.80 and 26,671.92 is: 40,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,826.76 : 124,222.80 = 26,671.92 : x
  2. Step 2: Convert to fraction form
    82,826.76/124,222.80 = 26,671.92/x
  3. Step 3: Cross multiply
    82,826.76x = 124,222.80 × 26,671.92
  4. Step 4: Simplify right side
    82,826.76x = 3,313,260,583.78
  5. Step 5: Solve for x
    x = 3,313,260,583.78/82,826.76
  6. Step 6: Final answer
    x = 40,002.30

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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.