Home / 100,890.89-151,345.04-26,010.41

Finding the Fourth Proportional to 100,890.89, 151,345.04 and 26,010.41

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Solution

The fourth proportional to 100,890.89, 151,345.04 and 26,010.41 is: 39,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,890.89 : 151,345.04 = 26,010.41 : x
  2. Step 2: Convert to fraction form
    100,890.89/151,345.04 = 26,010.41/x
  3. Step 3: Cross multiply
    100,890.89x = 151,345.04 × 26,010.41
  4. Step 4: Simplify right side
    100,890.89x = 3,936,545,655.09
  5. Step 5: Solve for x
    x = 3,936,545,655.09/100,890.89
  6. Step 6: Final answer
    x = 39,017.85

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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.