Home / 84,144.25-116,121.26-45,904.42

Finding the Fourth Proportional to 84,144.25, 116,121.26 and 45,904.42

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Solution

The fourth proportional to 84,144.25, 116,121.26 and 45,904.42 is: 63,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,144.25 : 116,121.26 = 45,904.42 : x
  2. Step 2: Convert to fraction form
    84,144.25/116,121.26 = 45,904.42/x
  3. Step 3: Cross multiply
    84,144.25x = 116,121.26 × 45,904.42
  4. Step 4: Simplify right side
    84,144.25x = 5,330,479,089.97
  5. Step 5: Solve for x
    x = 5,330,479,089.97/84,144.25
  6. Step 6: Final answer
    x = 63,349.30

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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.