Home / 100,942.80-151,402.05-41,772.30

Finding the Fourth Proportional to 100,942.80, 151,402.05 and 41,772.30

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Solution

The fourth proportional to 100,942.80, 151,402.05 and 41,772.30 is: 62,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,942.80 : 151,402.05 = 41,772.30 : x
  2. Step 2: Convert to fraction form
    100,942.80/151,402.05 = 41,772.30/x
  3. Step 3: Cross multiply
    100,942.80x = 151,402.05 × 41,772.30
  4. Step 4: Simplify right side
    100,942.80x = 6,324,411,853.22
  5. Step 5: Solve for x
    x = 6,324,411,853.22/100,942.80
  6. Step 6: Final answer
    x = 62,653.42

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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.