Home / 115,427.45-173,099.72-48,872.31

Finding the Fourth Proportional to 115,427.45, 173,099.72 and 48,872.31

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Solution

The fourth proportional to 115,427.45, 173,099.72 and 48,872.31 is: 73,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.45 : 173,099.72 = 48,872.31 : x
  2. Step 2: Convert to fraction form
    115,427.45/173,099.72 = 48,872.31/x
  3. Step 3: Cross multiply
    115,427.45x = 173,099.72 × 48,872.31
  4. Step 4: Simplify right side
    115,427.45x = 8,459,782,932.39
  5. Step 5: Solve for x
    x = 8,459,782,932.39/115,427.45
  6. Step 6: Final answer
    x = 73,290.91

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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.