Home / 79,565.15-109,785.69-45,110.04

Finding the Fourth Proportional to 79,565.15, 109,785.69 and 45,110.04

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Solution

The fourth proportional to 79,565.15, 109,785.69 and 45,110.04 is: 62,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.15 : 109,785.69 = 45,110.04 : x
  2. Step 2: Convert to fraction form
    79,565.15/109,785.69 = 45,110.04/x
  3. Step 3: Cross multiply
    79,565.15x = 109,785.69 × 45,110.04
  4. Step 4: Simplify right side
    79,565.15x = 4,952,436,867.33
  5. Step 5: Solve for x
    x = 4,952,436,867.33/79,565.15
  6. Step 6: Final answer
    x = 62,243.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.