Home / 84,606.76-116,704.36-54,431.36

Finding the Fourth Proportional to 84,606.76, 116,704.36 and 54,431.36

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Solution

The fourth proportional to 84,606.76, 116,704.36 and 54,431.36 is: 75,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,606.76 : 116,704.36 = 54,431.36 : x
  2. Step 2: Convert to fraction form
    84,606.76/116,704.36 = 54,431.36/x
  3. Step 3: Cross multiply
    84,606.76x = 116,704.36 × 54,431.36
  4. Step 4: Simplify right side
    84,606.76x = 6,352,377,032.73
  5. Step 5: Solve for x
    x = 6,352,377,032.73/84,606.76
  6. Step 6: Final answer
    x = 75,081.20

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1.5x scale

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.