Home / 91,788.28-126,660.06-51,496.60

Finding the Fourth Proportional to 91,788.28, 126,660.06 and 51,496.60

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Solution

The fourth proportional to 91,788.28, 126,660.06 and 51,496.60 is: 71,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788.28 : 126,660.06 = 51,496.60 : x
  2. Step 2: Convert to fraction form
    91,788.28/126,660.06 = 51,496.60/x
  3. Step 3: Cross multiply
    91,788.28x = 126,660.06 × 51,496.60
  4. Step 4: Simplify right side
    91,788.28x = 6,522,562,445.80
  5. Step 5: Solve for x
    x = 6,522,562,445.80/91,788.28
  6. Step 6: Final answer
    x = 71,060.95

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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.