Home / 109,961.60-164,942.40-36,089.60

Finding the Fourth Proportional to 109,961.60, 164,942.40 and 36,089.60

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Solution

The fourth proportional to 109,961.60, 164,942.40 and 36,089.60 is: 54,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,961.60 : 164,942.40 = 36,089.60 : x
  2. Step 2: Convert to fraction form
    109,961.60/164,942.40 = 36,089.60/x
  3. Step 3: Cross multiply
    109,961.60x = 164,942.40 × 36,089.60
  4. Step 4: Simplify right side
    109,961.60x = 5,952,705,239.04
  5. Step 5: Solve for x
    x = 5,952,705,239.04/109,961.60
  6. Step 6: Final answer
    x = 54,134.40

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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.