Home / 82,895.20-124,343.61-45,434.86

Finding the Fourth Proportional to 82,895.20, 124,343.61 and 45,434.86

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Solution

The fourth proportional to 82,895.20, 124,343.61 and 45,434.86 is: 68,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,895.20 : 124,343.61 = 45,434.86 : x
  2. Step 2: Convert to fraction form
    82,895.20/124,343.61 = 45,434.86/x
  3. Step 3: Cross multiply
    82,895.20x = 124,343.61 × 45,434.86
  4. Step 4: Simplify right side
    82,895.20x = 5,649,534,512.24
  5. Step 5: Solve for x
    x = 5,649,534,512.24/82,895.20
  6. Step 6: Final answer
    x = 68,152.73

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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.