Home / 91,336.03-126,043.29-51,049.73

Finding the Fourth Proportional to 91,336.03, 126,043.29 and 51,049.73

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Solution

The fourth proportional to 91,336.03, 126,043.29 and 51,049.73 is: 70,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,336.03 : 126,043.29 = 51,049.73 : x
  2. Step 2: Convert to fraction form
    91,336.03/126,043.29 = 51,049.73/x
  3. Step 3: Cross multiply
    91,336.03x = 126,043.29 × 51,049.73
  4. Step 4: Simplify right side
    91,336.03x = 6,434,476,237.92
  5. Step 5: Solve for x
    x = 6,434,476,237.92/91,336.03
  6. Step 6: Final answer
    x = 70,448.39

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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.