Home / 68,996.86-103,626.60-42,884.08

Finding the Fourth Proportional to 68,996.86, 103,626.60 and 42,884.08

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Solution

The fourth proportional to 68,996.86, 103,626.60 and 42,884.08 is: 64,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996.86 : 103,626.60 = 42,884.08 : x
  2. Step 2: Convert to fraction form
    68,996.86/103,626.60 = 42,884.08/x
  3. Step 3: Cross multiply
    68,996.86x = 103,626.60 × 42,884.08
  4. Step 4: Simplify right side
    68,996.86x = 4,443,931,404.53
  5. Step 5: Solve for x
    x = 4,443,931,404.53/68,996.86
  6. Step 6: Final answer
    x = 64,407.73

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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.