Home / 65,724.97-98,587.47-18,338.14

Finding the Fourth Proportional to 65,724.97, 98,587.47 and 18,338.14

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Solution

The fourth proportional to 65,724.97, 98,587.47 and 18,338.14 is: 27,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,724.97 : 98,587.47 = 18,338.14 : x
  2. Step 2: Convert to fraction form
    65,724.97/98,587.47 = 18,338.14/x
  3. Step 3: Cross multiply
    65,724.97x = 98,587.47 × 18,338.14
  4. Step 4: Simplify right side
    65,724.97x = 1,807,910,827.11
  5. Step 5: Solve for x
    x = 1,807,910,827.11/65,724.97
  6. Step 6: Final answer
    x = 27,507.21

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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.