Home / 96,069.93-132,453.26-78,778.62

Finding the Fourth Proportional to 96,069.93, 132,453.26 and 78,778.62

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Solution

The fourth proportional to 96,069.93, 132,453.26 and 78,778.62 is: 108,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,069.93 : 132,453.26 = 78,778.62 : x
  2. Step 2: Convert to fraction form
    96,069.93/132,453.26 = 78,778.62/x
  3. Step 3: Cross multiply
    96,069.93x = 132,453.26 × 78,778.62
  4. Step 4: Simplify right side
    96,069.93x = 10,434,484,643.41
  5. Step 5: Solve for x
    x = 10,434,484,643.41/96,069.93
  6. Step 6: Final answer
    x = 108,613.43

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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.