Home / 74,480.75-111,685.93-27,062.78

Finding the Fourth Proportional to 74,480.75, 111,685.93 and 27,062.78

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Solution

The fourth proportional to 74,480.75, 111,685.93 and 27,062.78 is: 40,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.75 : 111,685.93 = 27,062.78 : x
  2. Step 2: Convert to fraction form
    74,480.75/111,685.93 = 27,062.78/x
  3. Step 3: Cross multiply
    74,480.75x = 111,685.93 × 27,062.78
  4. Step 4: Simplify right side
    74,480.75x = 3,022,531,964.24
  5. Step 5: Solve for x
    x = 3,022,531,964.24/74,480.75
  6. Step 6: Final answer
    x = 40,581.39

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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.