Home / 87,599.28-120,887.13-49,873.50

Finding the Fourth Proportional to 87,599.28, 120,887.13 and 49,873.50

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Solution

The fourth proportional to 87,599.28, 120,887.13 and 49,873.50 is: 68,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,599.28 : 120,887.13 = 49,873.50 : x
  2. Step 2: Convert to fraction form
    87,599.28/120,887.13 = 49,873.50/x
  3. Step 3: Cross multiply
    87,599.28x = 120,887.13 × 49,873.50
  4. Step 4: Simplify right side
    87,599.28x = 6,029,064,278.06
  5. Step 5: Solve for x
    x = 6,029,064,278.06/87,599.28
  6. Step 6: Final answer
    x = 68,825.50

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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.