Home / 71,069.94-98,076.45-39,239.03

Finding the Fourth Proportional to 71,069.94, 98,076.45 and 39,239.03

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Solution

The fourth proportional to 71,069.94, 98,076.45 and 39,239.03 is: 54,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.94 : 98,076.45 = 39,239.03 : x
  2. Step 2: Convert to fraction form
    71,069.94/98,076.45 = 39,239.03/x
  3. Step 3: Cross multiply
    71,069.94x = 98,076.45 × 39,239.03
  4. Step 4: Simplify right side
    71,069.94x = 3,848,425,156.18
  5. Step 5: Solve for x
    x = 3,848,425,156.18/71,069.94
  6. Step 6: Final answer
    x = 54,149.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.