Home / 81,183.43-112,032.75-45,373.42

Finding the Fourth Proportional to 81,183.43, 112,032.75 and 45,373.42

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Solution

The fourth proportional to 81,183.43, 112,032.75 and 45,373.42 is: 62,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,183.43 : 112,032.75 = 45,373.42 : x
  2. Step 2: Convert to fraction form
    81,183.43/112,032.75 = 45,373.42/x
  3. Step 3: Cross multiply
    81,183.43x = 112,032.75 × 45,373.42
  4. Step 4: Simplify right side
    81,183.43x = 5,083,309,019.51
  5. Step 5: Solve for x
    x = 5,083,309,019.51/81,183.43
  6. Step 6: Final answer
    x = 62,615.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.