Home / 68,451.64-102,677.39-25,765.04

Finding the Fourth Proportional to 68,451.64, 102,677.39 and 25,765.04

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Solution

The fourth proportional to 68,451.64, 102,677.39 and 25,765.04 is: 38,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,451.64 : 102,677.39 = 25,765.04 : x
  2. Step 2: Convert to fraction form
    68,451.64/102,677.39 = 25,765.04/x
  3. Step 3: Cross multiply
    68,451.64x = 102,677.39 × 25,765.04
  4. Step 4: Simplify right side
    68,451.64x = 2,645,487,060.45
  5. Step 5: Solve for x
    x = 2,645,487,060.45/68,451.64
  6. Step 6: Final answer
    x = 38,647.53

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1.5x scale

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.