Home / 84,672.90-116,857.68-54,046.92

Finding the Fourth Proportional to 84,672.90, 116,857.68 and 54,046.92

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Solution

The fourth proportional to 84,672.90, 116,857.68 and 54,046.92 is: 74,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,672.90 : 116,857.68 = 54,046.92 : x
  2. Step 2: Convert to fraction form
    84,672.90/116,857.68 = 54,046.92/x
  3. Step 3: Cross multiply
    84,672.90x = 116,857.68 × 54,046.92
  4. Step 4: Simplify right side
    84,672.90x = 6,315,797,682.35
  5. Step 5: Solve for x
    x = 6,315,797,682.35/84,672.90
  6. Step 6: Final answer
    x = 74,590.54

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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.