Home / 65,071.20-97,625.16-18,324.48

Finding the Fourth Proportional to 65,071.20, 97,625.16 and 18,324.48

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Solution

The fourth proportional to 65,071.20, 97,625.16 and 18,324.48 is: 27,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.20 : 97,625.16 = 18,324.48 : x
  2. Step 2: Convert to fraction form
    65,071.20/97,625.16 = 18,324.48/x
  3. Step 3: Cross multiply
    65,071.20x = 97,625.16 × 18,324.48
  4. Step 4: Simplify right side
    65,071.20x = 1,788,930,291.92
  5. Step 5: Solve for x
    x = 1,788,930,291.92/65,071.20
  6. Step 6: Final answer
    x = 27,491.89

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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.