Home / 65,717.76-98,568.32-18,336.48

Finding the Fourth Proportional to 65,717.76, 98,568.32 and 18,336.48

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Solution

The fourth proportional to 65,717.76, 98,568.32 and 18,336.48 is: 27,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.76 : 98,568.32 = 18,336.48 : x
  2. Step 2: Convert to fraction form
    65,717.76/98,568.32 = 18,336.48/x
  3. Step 3: Cross multiply
    65,717.76x = 98,568.32 × 18,336.48
  4. Step 4: Simplify right side
    65,717.76x = 1,807,396,028.31
  5. Step 5: Solve for x
    x = 1,807,396,028.31/65,717.76
  6. Step 6: Final answer
    x = 27,502.40

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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.