Home / 68,630.72-102,936.33-26,530.64

Finding the Fourth Proportional to 68,630.72, 102,936.33 and 26,530.64

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Solution

The fourth proportional to 68,630.72, 102,936.33 and 26,530.64 is: 39,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,630.72 : 102,936.33 = 26,530.64 : x
  2. Step 2: Convert to fraction form
    68,630.72/102,936.33 = 26,530.64/x
  3. Step 3: Cross multiply
    68,630.72x = 102,936.33 × 26,530.64
  4. Step 4: Simplify right side
    68,630.72x = 2,730,966,199.47
  5. Step 5: Solve for x
    x = 2,730,966,199.47/68,630.72
  6. Step 6: Final answer
    x = 39,792.18

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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.