Home / 91,896.09-126,819.45-51,610.73

Finding the Fourth Proportional to 91,896.09, 126,819.45 and 51,610.73

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Solution

The fourth proportional to 91,896.09, 126,819.45 and 51,610.73 is: 71,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896.09 : 126,819.45 = 51,610.73 : x
  2. Step 2: Convert to fraction form
    91,896.09/126,819.45 = 51,610.73/x
  3. Step 3: Cross multiply
    91,896.09x = 126,819.45 × 51,610.73
  4. Step 4: Simplify right side
    91,896.09x = 6,545,243,758.60
  5. Step 5: Solve for x
    x = 6,545,243,758.60/91,896.09
  6. Step 6: Final answer
    x = 71,224.40

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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.