Home / 65,921.74-98,918.61-27,965.15

Finding the Fourth Proportional to 65,921.74, 98,918.61 and 27,965.15

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Solution

The fourth proportional to 65,921.74, 98,918.61 and 27,965.15 is: 41,962.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921.74 : 98,918.61 = 27,965.15 : x
  2. Step 2: Convert to fraction form
    65,921.74/98,918.61 = 27,965.15/x
  3. Step 3: Cross multiply
    65,921.74x = 98,918.61 × 27,965.15
  4. Step 4: Simplify right side
    65,921.74x = 2,766,273,417.02
  5. Step 5: Solve for x
    x = 2,766,273,417.02/65,921.74
  6. Step 6: Final answer
    x = 41,962.99

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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.