Home / 65,143.20-97,761.44-27,729.52

Finding the Fourth Proportional to 65,143.20, 97,761.44 and 27,729.52

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Solution

The fourth proportional to 65,143.20, 97,761.44 and 27,729.52 is: 41,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.20 : 97,761.44 = 27,729.52 : x
  2. Step 2: Convert to fraction form
    65,143.20/97,761.44 = 27,729.52/x
  3. Step 3: Cross multiply
    65,143.20x = 97,761.44 × 27,729.52
  4. Step 4: Simplify right side
    65,143.20x = 2,710,877,805.71
  5. Step 5: Solve for x
    x = 2,710,877,805.71/65,143.20
  6. Step 6: Final answer
    x = 41,614.13

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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.