Home / 87,961.86-132,119.94-52,492.50

Finding the Fourth Proportional to 87,961.86, 132,119.94 and 52,492.50

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Solution

The fourth proportional to 87,961.86, 132,119.94 and 52,492.50 is: 78,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,961.86 : 132,119.94 = 52,492.50 : x
  2. Step 2: Convert to fraction form
    87,961.86/132,119.94 = 52,492.50/x
  3. Step 3: Cross multiply
    87,961.86x = 132,119.94 × 52,492.50
  4. Step 4: Simplify right side
    87,961.86x = 6,935,305,950.45
  5. Step 5: Solve for x
    x = 6,935,305,950.45/87,961.86
  6. Step 6: Final answer
    x = 78,844.47

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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.