Home / 68,587.32-102,878.24-26,449.30

Finding the Fourth Proportional to 68,587.32, 102,878.24 and 26,449.30

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Solution

The fourth proportional to 68,587.32, 102,878.24 and 26,449.30 is: 39,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.32 : 102,878.24 = 26,449.30 : x
  2. Step 2: Convert to fraction form
    68,587.32/102,878.24 = 26,449.30/x
  3. Step 3: Cross multiply
    68,587.32x = 102,878.24 × 26,449.30
  4. Step 4: Simplify right side
    68,587.32x = 2,721,057,043.79
  5. Step 5: Solve for x
    x = 2,721,057,043.79/68,587.32
  6. Step 6: Final answer
    x = 39,672.89

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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.