Home / 100,777.70-151,114.26-29,691.11

Finding the Fourth Proportional to 100,777.70, 151,114.26 and 29,691.11

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Solution

The fourth proportional to 100,777.70, 151,114.26 and 29,691.11 is: 44,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,777.70 : 151,114.26 = 29,691.11 : x
  2. Step 2: Convert to fraction form
    100,777.70/151,114.26 = 29,691.11/x
  3. Step 3: Cross multiply
    100,777.70x = 151,114.26 × 29,691.11
  4. Step 4: Simplify right side
    100,777.70x = 4,486,750,116.23
  5. Step 5: Solve for x
    x = 4,486,750,116.23/100,777.70
  6. Step 6: Final answer
    x = 44,521.26

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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.