Home / 91,635.28-126,456.60-51,349.36

Finding the Fourth Proportional to 91,635.28, 126,456.60 and 51,349.36

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Solution

The fourth proportional to 91,635.28, 126,456.60 and 51,349.36 is: 70,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,635.28 : 126,456.60 = 51,349.36 : x
  2. Step 2: Convert to fraction form
    91,635.28/126,456.60 = 51,349.36/x
  3. Step 3: Cross multiply
    91,635.28x = 126,456.60 × 51,349.36
  4. Step 4: Simplify right side
    91,635.28x = 6,493,465,477.78
  5. Step 5: Solve for x
    x = 6,493,465,477.78/91,635.28
  6. Step 6: Final answer
    x = 70,862.07

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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.