Home / 84,193.31-126,313.64-36,812.56

Finding the Fourth Proportional to 84,193.31, 126,313.64 and 36,812.56

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Solution

The fourth proportional to 84,193.31, 126,313.64 and 36,812.56 is: 55,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,193.31 : 126,313.64 = 36,812.56 : x
  2. Step 2: Convert to fraction form
    84,193.31/126,313.64 = 36,812.56/x
  3. Step 3: Cross multiply
    84,193.31x = 126,313.64 × 36,812.56
  4. Step 4: Simplify right side
    84,193.31x = 4,649,928,227.57
  5. Step 5: Solve for x
    x = 4,649,928,227.57/84,193.31
  6. Step 6: Final answer
    x = 55,229.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.