Home / 71,438.14-98,579.46-39,167.59

Finding the Fourth Proportional to 71,438.14, 98,579.46 and 39,167.59

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Solution

The fourth proportional to 71,438.14, 98,579.46 and 39,167.59 is: 54,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,438.14 : 98,579.46 = 39,167.59 : x
  2. Step 2: Convert to fraction form
    71,438.14/98,579.46 = 39,167.59/x
  3. Step 3: Cross multiply
    71,438.14x = 98,579.46 × 39,167.59
  4. Step 4: Simplify right side
    71,438.14x = 3,861,119,871.70
  5. Step 5: Solve for x
    x = 3,861,119,871.70/71,438.14
  6. Step 6: Final answer
    x = 54,048.44

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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.