Home / 87,378.77-131,046.54-37,453.20

Finding the Fourth Proportional to 87,378.77, 131,046.54 and 37,453.20

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Solution

The fourth proportional to 87,378.77, 131,046.54 and 37,453.20 is: 56,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378.77 : 131,046.54 = 37,453.20 : x
  2. Step 2: Convert to fraction form
    87,378.77/131,046.54 = 37,453.20/x
  3. Step 3: Cross multiply
    87,378.77x = 131,046.54 × 37,453.20
  4. Step 4: Simplify right side
    87,378.77x = 4,908,112,271.93
  5. Step 5: Solve for x
    x = 4,908,112,271.93/87,378.77
  6. Step 6: Final answer
    x = 56,170.54

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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.