Home / 66,186.69-99,280.08-19,472.37

Finding the Fourth Proportional to 66,186.69, 99,280.08 and 19,472.37

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Solution

The fourth proportional to 66,186.69, 99,280.08 and 19,472.37 is: 29,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.69 : 99,280.08 = 19,472.37 : x
  2. Step 2: Convert to fraction form
    66,186.69/99,280.08 = 19,472.37/x
  3. Step 3: Cross multiply
    66,186.69x = 99,280.08 × 19,472.37
  4. Step 4: Simplify right side
    66,186.69x = 1,933,218,451.39
  5. Step 5: Solve for x
    x = 1,933,218,451.39/66,186.69
  6. Step 6: Final answer
    x = 29,208.57

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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.