Home / 42,326.11-63,482.67-11,163.79

Finding the Fourth Proportional to 42,326.11, 63,482.67 and 11,163.79

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Solution

The fourth proportional to 42,326.11, 63,482.67 and 11,163.79 is: 16,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,326.11 : 63,482.67 = 11,163.79 : x
  2. Step 2: Convert to fraction form
    42,326.11/63,482.67 = 11,163.79/x
  3. Step 3: Cross multiply
    42,326.11x = 63,482.67 × 11,163.79
  4. Step 4: Simplify right side
    42,326.11x = 708,707,196.52
  5. Step 5: Solve for x
    x = 708,707,196.52/42,326.11
  6. Step 6: Final answer
    x = 16,743.97

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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.