Home / 83,499.72-125,281.32-50,242.74

Finding the Fourth Proportional to 83,499.72, 125,281.32 and 50,242.74

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Solution

The fourth proportional to 83,499.72, 125,281.32 and 50,242.74 is: 75,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,499.72 : 125,281.32 = 50,242.74 : x
  2. Step 2: Convert to fraction form
    83,499.72/125,281.32 = 50,242.74/x
  3. Step 3: Cross multiply
    83,499.72x = 125,281.32 × 50,242.74
  4. Step 4: Simplify right side
    83,499.72x = 6,294,476,787.62
  5. Step 5: Solve for x
    x = 6,294,476,787.62/83,499.72
  6. Step 6: Final answer
    x = 75,383.21

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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.