Home / 87,858.73-131,875.57-48,434.41

Finding the Fourth Proportional to 87,858.73, 131,875.57 and 48,434.41

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Solution

The fourth proportional to 87,858.73, 131,875.57 and 48,434.41 is: 72,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.73 : 131,875.57 = 48,434.41 : x
  2. Step 2: Convert to fraction form
    87,858.73/131,875.57 = 48,434.41/x
  3. Step 3: Cross multiply
    87,858.73x = 131,875.57 × 48,434.41
  4. Step 4: Simplify right side
    87,858.73x = 6,387,314,766.99
  5. Step 5: Solve for x
    x = 6,387,314,766.99/87,858.73
  6. Step 6: Final answer
    x = 72,699.83

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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.