Home / 91,504.46-126,281.76-51,220.73

Finding the Fourth Proportional to 91,504.46, 126,281.76 and 51,220.73

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Solution

The fourth proportional to 91,504.46, 126,281.76 and 51,220.73 is: 70,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.46 : 126,281.76 = 51,220.73 : x
  2. Step 2: Convert to fraction form
    91,504.46/126,281.76 = 51,220.73/x
  3. Step 3: Cross multiply
    91,504.46x = 126,281.76 × 51,220.73
  4. Step 4: Simplify right side
    91,504.46x = 6,468,243,932.88
  5. Step 5: Solve for x
    x = 6,468,243,932.88/91,504.46
  6. Step 6: Final answer
    x = 70,687.74

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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.