Home / 89,221.68-133,839-26,897.04

Finding the Fourth Proportional to 89,221.68, 133,839 and 26,897.04

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Solution

The fourth proportional to 89,221.68, 133,839 and 26,897.04 is: 40,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,221.68 : 133,839 = 26,897.04 : x
  2. Step 2: Convert to fraction form
    89,221.68/133,839 = 26,897.04/x
  3. Step 3: Cross multiply
    89,221.68x = 133,839 × 26,897.04
  4. Step 4: Simplify right side
    89,221.68x = 3,599,872,936.56
  5. Step 5: Solve for x
    x = 3,599,872,936.56/89,221.68
  6. Step 6: Final answer
    x = 40,347.51

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1.5x scale

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.