Home / 65,360.16-98,057.25-18,616.68

Finding the Fourth Proportional to 65,360.16, 98,057.25 and 18,616.68

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Solution

The fourth proportional to 65,360.16, 98,057.25 and 18,616.68 is: 27,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360.16 : 98,057.25 = 18,616.68 : x
  2. Step 2: Convert to fraction form
    65,360.16/98,057.25 = 18,616.68/x
  3. Step 3: Cross multiply
    65,360.16x = 98,057.25 × 18,616.68
  4. Step 4: Simplify right side
    65,360.16x = 1,825,500,444.93
  5. Step 5: Solve for x
    x = 1,825,500,444.93/65,360.16
  6. Step 6: Final answer
    x = 27,929.86

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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.