Home / 91,596.82-126,400.14-51,308.62

Finding the Fourth Proportional to 91,596.82, 126,400.14 and 51,308.62

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Solution

The fourth proportional to 91,596.82, 126,400.14 and 51,308.62 is: 70,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,596.82 : 126,400.14 = 51,308.62 : x
  2. Step 2: Convert to fraction form
    91,596.82/126,400.14 = 51,308.62/x
  3. Step 3: Cross multiply
    91,596.82x = 126,400.14 × 51,308.62
  4. Step 4: Simplify right side
    91,596.82x = 6,485,416,751.21
  5. Step 5: Solve for x
    x = 6,485,416,751.21/91,596.82
  6. Step 6: Final answer
    x = 70,803.95

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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.