Home / 91,786.52-126,660.30-51,496.58

Finding the Fourth Proportional to 91,786.52, 126,660.30 and 51,496.58

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Solution

The fourth proportional to 91,786.52, 126,660.30 and 51,496.58 is: 71,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786.52 : 126,660.30 = 51,496.58 : x
  2. Step 2: Convert to fraction form
    91,786.52/126,660.30 = 51,496.58/x
  3. Step 3: Cross multiply
    91,786.52x = 126,660.30 × 51,496.58
  4. Step 4: Simplify right side
    91,786.52x = 6,522,572,271.77
  5. Step 5: Solve for x
    x = 6,522,572,271.77/91,786.52
  6. Step 6: Final answer
    x = 71,062.42

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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.