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Finding the Fourth Proportional to 68,019.58, 102,002.03 and 25,885.20

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Solution

The fourth proportional to 68,019.58, 102,002.03 and 25,885.20 is: 38,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019.58 : 102,002.03 = 25,885.20 : x
  2. Step 2: Convert to fraction form
    68,019.58/102,002.03 = 25,885.20/x
  3. Step 3: Cross multiply
    68,019.58x = 102,002.03 × 25,885.20
  4. Step 4: Simplify right side
    68,019.58x = 2,640,342,817.53
  5. Step 5: Solve for x
    x = 2,640,342,817.53/68,019.58
  6. Step 6: Final answer
    x = 38,817.40

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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.