Home / 66,588.72-99,884.10-22,215.48

Finding the Fourth Proportional to 66,588.72, 99,884.10 and 22,215.48

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Solution

The fourth proportional to 66,588.72, 99,884.10 and 22,215.48 is: 33,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,588.72 : 99,884.10 = 22,215.48 : x
  2. Step 2: Convert to fraction form
    66,588.72/99,884.10 = 22,215.48/x
  3. Step 3: Cross multiply
    66,588.72x = 99,884.10 × 22,215.48
  4. Step 4: Simplify right side
    66,588.72x = 2,218,973,225.87
  5. Step 5: Solve for x
    x = 2,218,973,225.87/66,588.72
  6. Step 6: Final answer
    x = 33,323.56

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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.