Home / 71,922.80-99,249.25-41,288.73

Finding the Fourth Proportional to 71,922.80, 99,249.25 and 41,288.73

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Solution

The fourth proportional to 71,922.80, 99,249.25 and 41,288.73 is: 56,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.80 : 99,249.25 = 41,288.73 : x
  2. Step 2: Convert to fraction form
    71,922.80/99,249.25 = 41,288.73/x
  3. Step 3: Cross multiply
    71,922.80x = 99,249.25 × 41,288.73
  4. Step 4: Simplify right side
    71,922.80x = 4,097,875,279.51
  5. Step 5: Solve for x
    x = 4,097,875,279.51/71,922.80
  6. Step 6: Final answer
    x = 56,976.03

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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.