Home / 87,598.28-120,885.75-49,872.50

Finding the Fourth Proportional to 87,598.28, 120,885.75 and 49,872.50

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Solution

The fourth proportional to 87,598.28, 120,885.75 and 49,872.50 is: 68,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,598.28 : 120,885.75 = 49,872.50 : x
  2. Step 2: Convert to fraction form
    87,598.28/120,885.75 = 49,872.50/x
  3. Step 3: Cross multiply
    87,598.28x = 120,885.75 × 49,872.50
  4. Step 4: Simplify right side
    87,598.28x = 6,028,874,566.88
  5. Step 5: Solve for x
    x = 6,028,874,566.88/87,598.28
  6. Step 6: Final answer
    x = 68,824.12

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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.