Home / 82,660.10-124,025.26-45,176.38

Finding the Fourth Proportional to 82,660.10, 124,025.26 and 45,176.38

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Solution

The fourth proportional to 82,660.10, 124,025.26 and 45,176.38 is: 67,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,660.10 : 124,025.26 = 45,176.38 : x
  2. Step 2: Convert to fraction form
    82,660.10/124,025.26 = 45,176.38/x
  3. Step 3: Cross multiply
    82,660.10x = 124,025.26 × 45,176.38
  4. Step 4: Simplify right side
    82,660.10x = 5,603,012,634.70
  5. Step 5: Solve for x
    x = 5,603,012,634.70/82,660.10
  6. Step 6: Final answer
    x = 67,783.76

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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.