Home / 42,163.93-63,247.92-12,584.08

Finding the Fourth Proportional to 42,163.93, 63,247.92 and 12,584.08

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Solution

The fourth proportional to 42,163.93, 63,247.92 and 12,584.08 is: 18,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.93 : 63,247.92 = 12,584.08 : x
  2. Step 2: Convert to fraction form
    42,163.93/63,247.92 = 12,584.08/x
  3. Step 3: Cross multiply
    42,163.93x = 63,247.92 × 12,584.08
  4. Step 4: Simplify right side
    42,163.93x = 795,916,885.11
  5. Step 5: Solve for x
    x = 795,916,885.11/42,163.93
  6. Step 6: Final answer
    x = 18,876.72

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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.