Home / 91,936.27-126,884.84-51,653.15

Finding the Fourth Proportional to 91,936.27, 126,884.84 and 51,653.15

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Solution

The fourth proportional to 91,936.27, 126,884.84 and 51,653.15 is: 71,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.27 : 126,884.84 = 51,653.15 : x
  2. Step 2: Convert to fraction form
    91,936.27/126,884.84 = 51,653.15/x
  3. Step 3: Cross multiply
    91,936.27x = 126,884.84 × 51,653.15
  4. Step 4: Simplify right side
    91,936.27x = 6,554,001,673.25
  5. Step 5: Solve for x
    x = 6,554,001,673.25/91,936.27
  6. Step 6: Final answer
    x = 71,288.53

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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.