Home / 96,083.42-132,378.81-66,984.47

Finding the Fourth Proportional to 96,083.42, 132,378.81 and 66,984.47

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Solution

The fourth proportional to 96,083.42, 132,378.81 and 66,984.47 is: 92,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,083.42 : 132,378.81 = 66,984.47 : x
  2. Step 2: Convert to fraction form
    96,083.42/132,378.81 = 66,984.47/x
  3. Step 3: Cross multiply
    96,083.42x = 132,378.81 × 66,984.47
  4. Step 4: Simplify right side
    96,083.42x = 8,867,324,010.42
  5. Step 5: Solve for x
    x = 8,867,324,010.42/96,083.42
  6. Step 6: Final answer
    x = 92,287.77

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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.