Home / 71,311.07-98,412.90-41,101.31

Finding the Fourth Proportional to 71,311.07, 98,412.90 and 41,101.31

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Solution

The fourth proportional to 71,311.07, 98,412.90 and 41,101.31 is: 56,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.07 : 98,412.90 = 41,101.31 : x
  2. Step 2: Convert to fraction form
    71,311.07/98,412.90 = 41,101.31/x
  3. Step 3: Cross multiply
    71,311.07x = 98,412.90 × 41,101.31
  4. Step 4: Simplify right side
    71,311.07x = 4,044,899,110.90
  5. Step 5: Solve for x
    x = 4,044,899,110.90/71,311.07
  6. Step 6: Final answer
    x = 56,721.90

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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.