Home / 65,740.38-98,615.97-18,993.66

Finding the Fourth Proportional to 65,740.38, 98,615.97 and 18,993.66

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Solution

The fourth proportional to 65,740.38, 98,615.97 and 18,993.66 is: 28,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.38 : 98,615.97 = 18,993.66 : x
  2. Step 2: Convert to fraction form
    65,740.38/98,615.97 = 18,993.66/x
  3. Step 3: Cross multiply
    65,740.38x = 98,615.97 × 18,993.66
  4. Step 4: Simplify right side
    65,740.38x = 1,873,078,204.75
  5. Step 5: Solve for x
    x = 1,873,078,204.75/65,740.38
  6. Step 6: Final answer
    x = 28,492.05

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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.