Home / 100,891.39-151,345.79-26,010.90

Finding the Fourth Proportional to 100,891.39, 151,345.79 and 26,010.90

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Solution

The fourth proportional to 100,891.39, 151,345.79 and 26,010.90 is: 39,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,891.39 : 151,345.79 = 26,010.90 : x
  2. Step 2: Convert to fraction form
    100,891.39/151,345.79 = 26,010.90/x
  3. Step 3: Cross multiply
    100,891.39x = 151,345.79 × 26,010.90
  4. Step 4: Simplify right side
    100,891.39x = 3,936,640,209.11
  5. Step 5: Solve for x
    x = 3,936,640,209.11/100,891.39
  6. Step 6: Final answer
    x = 39,018.59

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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.