Home / 42,212.46-63,273.12-27,431.98

Finding the Fourth Proportional to 42,212.46, 63,273.12 and 27,431.98

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Solution

The fourth proportional to 42,212.46, 63,273.12 and 27,431.98 is: 41,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.46 : 63,273.12 = 27,431.98 : x
  2. Step 2: Convert to fraction form
    42,212.46/63,273.12 = 27,431.98/x
  3. Step 3: Cross multiply
    42,212.46x = 63,273.12 × 27,431.98
  4. Step 4: Simplify right side
    42,212.46x = 1,735,706,962.38
  5. Step 5: Solve for x
    x = 1,735,706,962.38/42,212.46
  6. Step 6: Final answer
    x = 41,118.36

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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.