Home / 75,209.72-103,785.30-41,217.66

Finding the Fourth Proportional to 75,209.72, 103,785.30 and 41,217.66

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Solution

The fourth proportional to 75,209.72, 103,785.30 and 41,217.66 is: 56,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,209.72 : 103,785.30 = 41,217.66 : x
  2. Step 2: Convert to fraction form
    75,209.72/103,785.30 = 41,217.66/x
  3. Step 3: Cross multiply
    75,209.72x = 103,785.30 × 41,217.66
  4. Step 4: Simplify right side
    75,209.72x = 4,277,787,208.40
  5. Step 5: Solve for x
    x = 4,277,787,208.40/75,209.72
  6. Step 6: Final answer
    x = 56,878.12

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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.