Home / 89,236.83-133,812.19-51,806.33

Finding the Fourth Proportional to 89,236.83, 133,812.19 and 51,806.33

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Solution

The fourth proportional to 89,236.83, 133,812.19 and 51,806.33 is: 77,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.83 : 133,812.19 = 51,806.33 : x
  2. Step 2: Convert to fraction form
    89,236.83/133,812.19 = 51,806.33/x
  3. Step 3: Cross multiply
    89,236.83x = 133,812.19 × 51,806.33
  4. Step 4: Simplify right side
    89,236.83x = 6,932,317,545.07
  5. Step 5: Solve for x
    x = 6,932,317,545.07/89,236.83
  6. Step 6: Final answer
    x = 77,684.49

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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.