Home / 66,221.61-99,394.84-24,142.36

Finding the Fourth Proportional to 66,221.61, 99,394.84 and 24,142.36

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Solution

The fourth proportional to 66,221.61, 99,394.84 and 24,142.36 is: 36,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,221.61 : 99,394.84 = 24,142.36 : x
  2. Step 2: Convert to fraction form
    66,221.61/99,394.84 = 24,142.36/x
  3. Step 3: Cross multiply
    66,221.61x = 99,394.84 × 24,142.36
  4. Step 4: Simplify right side
    66,221.61x = 2,399,626,163.84
  5. Step 5: Solve for x
    x = 2,399,626,163.84/66,221.61
  6. Step 6: Final answer
    x = 36,236.30

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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.