Home / 65,921.65-98,918.01-43,745.47

Finding the Fourth Proportional to 65,921.65, 98,918.01 and 43,745.47

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Solution

The fourth proportional to 65,921.65, 98,918.01 and 43,745.47 is: 65,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921.65 : 98,918.01 = 43,745.47 : x
  2. Step 2: Convert to fraction form
    65,921.65/98,918.01 = 43,745.47/x
  3. Step 3: Cross multiply
    65,921.65x = 98,918.01 × 43,745.47
  4. Step 4: Simplify right side
    65,921.65x = 4,327,214,591.62
  5. Step 5: Solve for x
    x = 4,327,214,591.62/65,921.65
  6. Step 6: Final answer
    x = 65,641.78

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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.