Home / 65,216.10-97,860.60-27,769.80

Finding the Fourth Proportional to 65,216.10, 97,860.60 and 27,769.80

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Solution

The fourth proportional to 65,216.10, 97,860.60 and 27,769.80 is: 41,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.10 : 97,860.60 = 27,769.80 : x
  2. Step 2: Convert to fraction form
    65,216.10/97,860.60 = 27,769.80/x
  3. Step 3: Cross multiply
    65,216.10x = 97,860.60 × 27,769.80
  4. Step 4: Simplify right side
    65,216.10x = 2,717,569,289.88
  5. Step 5: Solve for x
    x = 2,717,569,289.88/65,216.10
  6. Step 6: Final answer
    x = 41,670.22

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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.