Home / 76,734.36-115,117.20-32,361.03

Finding the Fourth Proportional to 76,734.36, 115,117.20 and 32,361.03

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Solution

The fourth proportional to 76,734.36, 115,117.20 and 32,361.03 is: 48,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734.36 : 115,117.20 = 32,361.03 : x
  2. Step 2: Convert to fraction form
    76,734.36/115,117.20 = 32,361.03/x
  3. Step 3: Cross multiply
    76,734.36x = 115,117.20 × 32,361.03
  4. Step 4: Simplify right side
    76,734.36x = 3,725,311,162.72
  5. Step 5: Solve for x
    x = 3,725,311,162.72/76,734.36
  6. Step 6: Final answer
    x = 48,548.15

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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.