Home / 84,581.92-116,670.26-54,406.58

Finding the Fourth Proportional to 84,581.92, 116,670.26 and 54,406.58

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Solution

The fourth proportional to 84,581.92, 116,670.26 and 54,406.58 is: 75,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581.92 : 116,670.26 = 54,406.58 : x
  2. Step 2: Convert to fraction form
    84,581.92/116,670.26 = 54,406.58/x
  3. Step 3: Cross multiply
    84,581.92x = 116,670.26 × 54,406.58
  4. Step 4: Simplify right side
    84,581.92x = 6,347,629,562.28
  5. Step 5: Solve for x
    x = 6,347,629,562.28/84,581.92
  6. Step 6: Final answer
    x = 75,047.13

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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.