Home / 50,275.20-74,866.09-49,722.99

Finding the Fourth Proportional to 50,275.20, 74,866.09 and 49,722.99

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Solution

The fourth proportional to 50,275.20, 74,866.09 and 49,722.99 is: 74,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.20 : 74,866.09 = 49,722.99 : x
  2. Step 2: Convert to fraction form
    50,275.20/74,866.09 = 49,722.99/x
  3. Step 3: Cross multiply
    50,275.20x = 74,866.09 × 49,722.99
  4. Step 4: Simplify right side
    50,275.20x = 3,722,565,720.10
  5. Step 5: Solve for x
    x = 3,722,565,720.10/50,275.20
  6. Step 6: Final answer
    x = 74,043.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.