Home / 71,110.23-98,132.44-38,845.28

Finding the Fourth Proportional to 71,110.23, 98,132.44 and 38,845.28

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Solution

The fourth proportional to 71,110.23, 98,132.44 and 38,845.28 is: 53,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110.23 : 98,132.44 = 38,845.28 : x
  2. Step 2: Convert to fraction form
    71,110.23/98,132.44 = 38,845.28/x
  3. Step 3: Cross multiply
    71,110.23x = 98,132.44 × 38,845.28
  4. Step 4: Simplify right side
    71,110.23x = 3,811,982,108.88
  5. Step 5: Solve for x
    x = 3,811,982,108.88/71,110.23
  6. Step 6: Final answer
    x = 53,606.66

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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.