Home / 42,844.80-64,198.08-22,005.12

Finding the Fourth Proportional to 42,844.80, 64,198.08 and 22,005.12

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Solution

The fourth proportional to 42,844.80, 64,198.08 and 22,005.12 is: 32,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,844.80 : 64,198.08 = 22,005.12 : x
  2. Step 2: Convert to fraction form
    42,844.80/64,198.08 = 22,005.12/x
  3. Step 3: Cross multiply
    42,844.80x = 64,198.08 × 22,005.12
  4. Step 4: Simplify right side
    42,844.80x = 1,412,686,454.17
  5. Step 5: Solve for x
    x = 1,412,686,454.17/42,844.80
  6. Step 6: Final answer
    x = 32,972.18

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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.