Home / 72,297.12-99,770.01-40,466.03

Finding the Fourth Proportional to 72,297.12, 99,770.01 and 40,466.03

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Solution

The fourth proportional to 72,297.12, 99,770.01 and 40,466.03 is: 55,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.12 : 99,770.01 = 40,466.03 : x
  2. Step 2: Convert to fraction form
    72,297.12/99,770.01 = 40,466.03/x
  3. Step 3: Cross multiply
    72,297.12x = 99,770.01 × 40,466.03
  4. Step 4: Simplify right side
    72,297.12x = 4,037,295,718.91
  5. Step 5: Solve for x
    x = 4,037,295,718.91/72,297.12
  6. Step 6: Final answer
    x = 55,843.11

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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.