Home / 87,548.28-120,815.88-49,824.60

Finding the Fourth Proportional to 87,548.28, 120,815.88 and 49,824.60

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Solution

The fourth proportional to 87,548.28, 120,815.88 and 49,824.60 is: 68,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548.28 : 120,815.88 = 49,824.60 : x
  2. Step 2: Convert to fraction form
    87,548.28/120,815.88 = 49,824.60/x
  3. Step 3: Cross multiply
    87,548.28x = 120,815.88 × 49,824.60
  4. Step 4: Simplify right side
    87,548.28x = 6,019,602,894.65
  5. Step 5: Solve for x
    x = 6,019,602,894.65/87,548.28
  6. Step 6: Final answer
    x = 68,757.52

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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.