Home / 66,464.08-99,712.92-22,091.05

Finding the Fourth Proportional to 66,464.08, 99,712.92 and 22,091.05

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Solution

The fourth proportional to 66,464.08, 99,712.92 and 22,091.05 is: 33,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.08 : 99,712.92 = 22,091.05 : x
  2. Step 2: Convert to fraction form
    66,464.08/99,712.92 = 22,091.05/x
  3. Step 3: Cross multiply
    66,464.08x = 99,712.92 × 22,091.05
  4. Step 4: Simplify right side
    66,464.08x = 2,202,763,101.37
  5. Step 5: Solve for x
    x = 2,202,763,101.37/66,464.08
  6. Step 6: Final answer
    x = 33,142.16

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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.