Home / 49,815.20-68,742.90-27,153.70

Finding the Fourth Proportional to 49,815.20, 68,742.90 and 27,153.70

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Solution

The fourth proportional to 49,815.20, 68,742.90 and 27,153.70 is: 37,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,815.20 : 68,742.90 = 27,153.70 : x
  2. Step 2: Convert to fraction form
    49,815.20/68,742.90 = 27,153.70/x
  3. Step 3: Cross multiply
    49,815.20x = 68,742.90 × 27,153.70
  4. Step 4: Simplify right side
    49,815.20x = 1,866,623,740.02
  5. Step 5: Solve for x
    x = 1,866,623,740.02/49,815.20
  6. Step 6: Final answer
    x = 37,470.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.