Home / 83,325.21-125,000.78-27,908.25

Finding the Fourth Proportional to 83,325.21, 125,000.78 and 27,908.25

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Solution

The fourth proportional to 83,325.21, 125,000.78 and 27,908.25 is: 41,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,325.21 : 125,000.78 = 27,908.25 : x
  2. Step 2: Convert to fraction form
    83,325.21/125,000.78 = 27,908.25/x
  3. Step 3: Cross multiply
    83,325.21x = 125,000.78 × 27,908.25
  4. Step 4: Simplify right side
    83,325.21x = 3,488,552,878.89
  5. Step 5: Solve for x
    x = 3,488,552,878.89/83,325.21
  6. Step 6: Final answer
    x = 41,866.72

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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.