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Finding the Fourth Proportional to 79,636.57, 119,454.73 and 54,600.72

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Solution

The fourth proportional to 79,636.57, 119,454.73 and 54,600.72 is: 81,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.57 : 119,454.73 = 54,600.72 : x
  2. Step 2: Convert to fraction form
    79,636.57/119,454.73 = 54,600.72/x
  3. Step 3: Cross multiply
    79,636.57x = 119,454.73 × 54,600.72
  4. Step 4: Simplify right side
    79,636.57x = 6,522,313,680.95
  5. Step 5: Solve for x
    x = 6,522,313,680.95/79,636.57
  6. Step 6: Final answer
    x = 81,900.99

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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.