Home / 68,438.07-102,657.11-25,751.53

Finding the Fourth Proportional to 68,438.07, 102,657.11 and 25,751.53

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Solution

The fourth proportional to 68,438.07, 102,657.11 and 25,751.53 is: 38,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,438.07 : 102,657.11 = 25,751.53 : x
  2. Step 2: Convert to fraction form
    68,438.07/102,657.11 = 25,751.53/x
  3. Step 3: Cross multiply
    68,438.07x = 102,657.11 × 25,751.53
  4. Step 4: Simplify right side
    68,438.07x = 2,643,577,262.48
  5. Step 5: Solve for x
    x = 2,643,577,262.48/68,438.07
  6. Step 6: Final answer
    x = 38,627.29

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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.