Home / 67,294.56-100,951.60-20,541.36

Finding the Fourth Proportional to 67,294.56, 100,951.60 and 20,541.36

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Solution

The fourth proportional to 67,294.56, 100,951.60 and 20,541.36 is: 30,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294.56 : 100,951.60 = 20,541.36 : x
  2. Step 2: Convert to fraction form
    67,294.56/100,951.60 = 20,541.36/x
  3. Step 3: Cross multiply
    67,294.56x = 100,951.60 × 20,541.36
  4. Step 4: Simplify right side
    67,294.56x = 2,073,683,158.18
  5. Step 5: Solve for x
    x = 2,073,683,158.18/67,294.56
  6. Step 6: Final answer
    x = 30,815.02

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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.