Home / 68,941.60-103,389.12-26,236.89

Finding the Fourth Proportional to 68,941.60, 103,389.12 and 26,236.89

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Solution

The fourth proportional to 68,941.60, 103,389.12 and 26,236.89 is: 39,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.60 : 103,389.12 = 26,236.89 : x
  2. Step 2: Convert to fraction form
    68,941.60/103,389.12 = 26,236.89/x
  3. Step 3: Cross multiply
    68,941.60x = 103,389.12 × 26,236.89
  4. Step 4: Simplify right side
    68,941.60x = 2,712,608,968.64
  5. Step 5: Solve for x
    x = 2,712,608,968.64/68,941.60
  6. Step 6: Final answer
    x = 39,346.48

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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.