Home / 64,761.12-97,154.94-27,321.20

Finding the Fourth Proportional to 64,761.12, 97,154.94 and 27,321.20

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Solution

The fourth proportional to 64,761.12, 97,154.94 and 27,321.20 is: 40,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,761.12 : 97,154.94 = 27,321.20 : x
  2. Step 2: Convert to fraction form
    64,761.12/97,154.94 = 27,321.20/x
  3. Step 3: Cross multiply
    64,761.12x = 97,154.94 × 27,321.20
  4. Step 4: Simplify right side
    64,761.12x = 2,654,389,527.74
  5. Step 5: Solve for x
    x = 2,654,389,527.74/64,761.12
  6. Step 6: Final answer
    x = 40,987.39

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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.