Home / 68,988.37-103,438.05-32,945.32

Finding the Fourth Proportional to 68,988.37, 103,438.05 and 32,945.32

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Solution

The fourth proportional to 68,988.37, 103,438.05 and 32,945.32 is: 49,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.37 : 103,438.05 = 32,945.32 : x
  2. Step 2: Convert to fraction form
    68,988.37/103,438.05 = 32,945.32/x
  3. Step 3: Cross multiply
    68,988.37x = 103,438.05 × 32,945.32
  4. Step 4: Simplify right side
    68,988.37x = 3,407,799,657.43
  5. Step 5: Solve for x
    x = 3,407,799,657.43/68,988.37
  6. Step 6: Final answer
    x = 49,396.73

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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.