Home / 72,441.28-108,683.60-48,843.44

Finding the Fourth Proportional to 72,441.28, 108,683.60 and 48,843.44

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Solution

The fourth proportional to 72,441.28, 108,683.60 and 48,843.44 is: 73,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,441.28 : 108,683.60 = 48,843.44 : x
  2. Step 2: Convert to fraction form
    72,441.28/108,683.60 = 48,843.44/x
  3. Step 3: Cross multiply
    72,441.28x = 108,683.60 × 48,843.44
  4. Step 4: Simplify right side
    72,441.28x = 5,308,480,895.58
  5. Step 5: Solve for x
    x = 5,308,480,895.58/72,441.28
  6. Step 6: Final answer
    x = 73,279.78

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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.