Home / 111,741.50-167,717.58-40,732.77

Finding the Fourth Proportional to 111,741.50, 167,717.58 and 40,732.77

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Solution

The fourth proportional to 111,741.50, 167,717.58 and 40,732.77 is: 61,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741.50 : 167,717.58 = 40,732.77 : x
  2. Step 2: Convert to fraction form
    111,741.50/167,717.58 = 40,732.77/x
  3. Step 3: Cross multiply
    111,741.50x = 167,717.58 × 40,732.77
  4. Step 4: Simplify right side
    111,741.50x = 6,831,601,191.80
  5. Step 5: Solve for x
    x = 6,831,601,191.80/111,741.50
  6. Step 6: Final answer
    x = 61,137.55

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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.