Home / 64,565.51-96,859.26-20,183.58

Finding the Fourth Proportional to 64,565.51, 96,859.26 and 20,183.58

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Solution

The fourth proportional to 64,565.51, 96,859.26 and 20,183.58 is: 30,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.51 : 96,859.26 = 20,183.58 : x
  2. Step 2: Convert to fraction form
    64,565.51/96,859.26 = 20,183.58/x
  3. Step 3: Cross multiply
    64,565.51x = 96,859.26 × 20,183.58
  4. Step 4: Simplify right side
    64,565.51x = 1,954,966,622.95
  5. Step 5: Solve for x
    x = 1,954,966,622.95/64,565.51
  6. Step 6: Final answer
    x = 30,278.81

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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.