Home / 81,192.09-112,040.55-44,891.43

Finding the Fourth Proportional to 81,192.09, 112,040.55 and 44,891.43

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Solution

The fourth proportional to 81,192.09, 112,040.55 and 44,891.43 is: 61,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.09 : 112,040.55 = 44,891.43 : x
  2. Step 2: Convert to fraction form
    81,192.09/112,040.55 = 44,891.43/x
  3. Step 3: Cross multiply
    81,192.09x = 112,040.55 × 44,891.43
  4. Step 4: Simplify right side
    81,192.09x = 5,029,660,507.49
  5. Step 5: Solve for x
    x = 5,029,660,507.49/81,192.09
  6. Step 6: Final answer
    x = 61,947.67

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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.