Home / 82,928.74-124,410.78-26,772.04

Finding the Fourth Proportional to 82,928.74, 124,410.78 and 26,772.04

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Solution

The fourth proportional to 82,928.74, 124,410.78 and 26,772.04 is: 40,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,928.74 : 124,410.78 = 26,772.04 : x
  2. Step 2: Convert to fraction form
    82,928.74/124,410.78 = 26,772.04/x
  3. Step 3: Cross multiply
    82,928.74x = 124,410.78 × 26,772.04
  4. Step 4: Simplify right side
    82,928.74x = 3,330,730,378.59
  5. Step 5: Solve for x
    x = 3,330,730,378.59/82,928.74
  6. Step 6: Final answer
    x = 40,163.76

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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.