Home / 115,321.53-173,005.64-48,761.55

Finding the Fourth Proportional to 115,321.53, 173,005.64 and 48,761.55

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Solution

The fourth proportional to 115,321.53, 173,005.64 and 48,761.55 is: 73,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321.53 : 173,005.64 = 48,761.55 : x
  2. Step 2: Convert to fraction form
    115,321.53/173,005.64 = 48,761.55/x
  3. Step 3: Cross multiply
    115,321.53x = 173,005.64 × 48,761.55
  4. Step 4: Simplify right side
    115,321.53x = 8,436,023,165.14
  5. Step 5: Solve for x
    x = 8,436,023,165.14/115,321.53
  6. Step 6: Final answer
    x = 73,152.20

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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.