Home / 82,894.20-124,342.11-45,433.86

Finding the Fourth Proportional to 82,894.20, 124,342.11 and 45,433.86

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Solution

The fourth proportional to 82,894.20, 124,342.11 and 45,433.86 is: 68,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,894.20 : 124,342.11 = 45,433.86 : x
  2. Step 2: Convert to fraction form
    82,894.20/124,342.11 = 45,433.86/x
  3. Step 3: Cross multiply
    82,894.20x = 124,342.11 × 45,433.86
  4. Step 4: Simplify right side
    82,894.20x = 5,649,342,017.84
  5. Step 5: Solve for x
    x = 5,649,342,017.84/82,894.20
  6. Step 6: Final answer
    x = 68,151.23

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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.