Home / 68,776.12-103,155.39-26,627.36

Finding the Fourth Proportional to 68,776.12, 103,155.39 and 26,627.36

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Solution

The fourth proportional to 68,776.12, 103,155.39 and 26,627.36 is: 39,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.12 : 103,155.39 = 26,627.36 : x
  2. Step 2: Convert to fraction form
    68,776.12/103,155.39 = 26,627.36/x
  3. Step 3: Cross multiply
    68,776.12x = 103,155.39 × 26,627.36
  4. Step 4: Simplify right side
    68,776.12x = 2,746,755,963.36
  5. Step 5: Solve for x
    x = 2,746,755,963.36/68,776.12
  6. Step 6: Final answer
    x = 39,937.64

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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.