Home / 111,787.17-167,697.36-36,915.21

Finding the Fourth Proportional to 111,787.17, 167,697.36 and 36,915.21

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Solution

The fourth proportional to 111,787.17, 167,697.36 and 36,915.21 is: 55,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,787.17 : 167,697.36 = 36,915.21 : x
  2. Step 2: Convert to fraction form
    111,787.17/167,697.36 = 36,915.21/x
  3. Step 3: Cross multiply
    111,787.17x = 167,697.36 × 36,915.21
  4. Step 4: Simplify right side
    111,787.17x = 6,190,583,260.85
  5. Step 5: Solve for x
    x = 6,190,583,260.85/111,787.17
  6. Step 6: Final answer
    x = 55,378.30

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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.