Home / 89,195.15-133,792.12-21,726.38

Finding the Fourth Proportional to 89,195.15, 133,792.12 and 21,726.38

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Solution

The fourth proportional to 89,195.15, 133,792.12 and 21,726.38 is: 32,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,195.15 : 133,792.12 = 21,726.38 : x
  2. Step 2: Convert to fraction form
    89,195.15/133,792.12 = 21,726.38/x
  3. Step 3: Cross multiply
    89,195.15x = 133,792.12 × 21,726.38
  4. Step 4: Simplify right side
    89,195.15x = 2,906,818,385.81
  5. Step 5: Solve for x
    x = 2,906,818,385.81/89,195.15
  6. Step 6: Final answer
    x = 32,589.42

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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.