Home / 72,778.27-109,250.44-48,780.39

Finding the Fourth Proportional to 72,778.27, 109,250.44 and 48,780.39

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Solution

The fourth proportional to 72,778.27, 109,250.44 and 48,780.39 is: 73,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,778.27 : 109,250.44 = 48,780.39 : x
  2. Step 2: Convert to fraction form
    72,778.27/109,250.44 = 48,780.39/x
  3. Step 3: Cross multiply
    72,778.27x = 109,250.44 × 48,780.39
  4. Step 4: Simplify right side
    72,778.27x = 5,329,278,539.23
  5. Step 5: Solve for x
    x = 5,329,278,539.23/72,778.27
  6. Step 6: Final answer
    x = 73,226.24

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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.