Home / 135,975.32-203,892.91-61,031.24

Finding the Fourth Proportional to 135,975.32, 203,892.91 and 61,031.24

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Solution

The fourth proportional to 135,975.32, 203,892.91 and 61,031.24 is: 91,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,975.32 : 203,892.91 = 61,031.24 : x
  2. Step 2: Convert to fraction form
    135,975.32/203,892.91 = 61,031.24/x
  3. Step 3: Cross multiply
    135,975.32x = 203,892.91 × 61,031.24
  4. Step 4: Simplify right side
    135,975.32x = 12,443,836,257.05
  5. Step 5: Solve for x
    x = 12,443,836,257.05/135,975.32
  6. Step 6: Final answer
    x = 91,515.41

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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.