Home / 110,787.20-166,127.04-51,608.96

Finding the Fourth Proportional to 110,787.20, 166,127.04 and 51,608.96

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Solution

The fourth proportional to 110,787.20, 166,127.04 and 51,608.96 is: 77,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,787.20 : 166,127.04 = 51,608.96 : x
  2. Step 2: Convert to fraction form
    110,787.20/166,127.04 = 51,608.96/x
  3. Step 3: Cross multiply
    110,787.20x = 166,127.04 × 51,608.96
  4. Step 4: Simplify right side
    110,787.20x = 8,573,643,762.28
  5. Step 5: Solve for x
    x = 8,573,643,762.28/110,787.20
  6. Step 6: Final answer
    x = 77,388.40

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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.