Home / 68,636.20-102,973.74-40,581.04

Finding the Fourth Proportional to 68,636.20, 102,973.74 and 40,581.04

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Solution

The fourth proportional to 68,636.20, 102,973.74 and 40,581.04 is: 60,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636.20 : 102,973.74 = 40,581.04 : x
  2. Step 2: Convert to fraction form
    68,636.20/102,973.74 = 40,581.04/x
  3. Step 3: Cross multiply
    68,636.20x = 102,973.74 × 40,581.04
  4. Step 4: Simplify right side
    68,636.20x = 4,178,781,461.89
  5. Step 5: Solve for x
    x = 4,178,781,461.89/68,636.20
  6. Step 6: Final answer
    x = 60,883.05

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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.