Home / 91,896.18-126,815.94-51,610.56

Finding the Fourth Proportional to 91,896.18, 126,815.94 and 51,610.56

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Solution

The fourth proportional to 91,896.18, 126,815.94 and 51,610.56 is: 71,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896.18 : 126,815.94 = 51,610.56 : x
  2. Step 2: Convert to fraction form
    91,896.18/126,815.94 = 51,610.56/x
  3. Step 3: Cross multiply
    91,896.18x = 126,815.94 × 51,610.56
  4. Step 4: Simplify right side
    91,896.18x = 6,545,041,680.33
  5. Step 5: Solve for x
    x = 6,545,041,680.33/91,896.18
  6. Step 6: Final answer
    x = 71,222.13

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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.