Home / 81,599.26-112,615.05-54,797.56

Finding the Fourth Proportional to 81,599.26, 112,615.05 and 54,797.56

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Solution

The fourth proportional to 81,599.26, 112,615.05 and 54,797.56 is: 75,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,599.26 : 112,615.05 = 54,797.56 : x
  2. Step 2: Convert to fraction form
    81,599.26/112,615.05 = 54,797.56/x
  3. Step 3: Cross multiply
    81,599.26x = 112,615.05 × 54,797.56
  4. Step 4: Simplify right side
    81,599.26x = 6,171,029,959.28
  5. Step 5: Solve for x
    x = 6,171,029,959.28/81,599.26
  6. Step 6: Final answer
    x = 75,626.05

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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.