Home / 72,297.62-99,770.68-40,466.51

Finding the Fourth Proportional to 72,297.62, 99,770.68 and 40,466.51

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Solution

The fourth proportional to 72,297.62, 99,770.68 and 40,466.51 is: 55,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.62 : 99,770.68 = 40,466.51 : x
  2. Step 2: Convert to fraction form
    72,297.62/99,770.68 = 40,466.51/x
  3. Step 3: Cross multiply
    72,297.62x = 99,770.68 × 40,466.51
  4. Step 4: Simplify right side
    72,297.62x = 4,037,370,869.33
  5. Step 5: Solve for x
    x = 4,037,370,869.33/72,297.62
  6. Step 6: Final answer
    x = 55,843.76

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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.