Home / 87,515.64-131,172.48-37,521.36

Finding the Fourth Proportional to 87,515.64, 131,172.48 and 37,521.36

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Solution

The fourth proportional to 87,515.64, 131,172.48 and 37,521.36 is: 56,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,515.64 : 131,172.48 = 37,521.36 : x
  2. Step 2: Convert to fraction form
    87,515.64/131,172.48 = 37,521.36/x
  3. Step 3: Cross multiply
    87,515.64x = 131,172.48 × 37,521.36
  4. Step 4: Simplify right side
    87,515.64x = 4,921,769,844.17
  5. Step 5: Solve for x
    x = 4,921,769,844.17/87,515.64
  6. Step 6: Final answer
    x = 56,238.75

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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.