Home / 89,288.81-133,953.66-38,696.33

Finding the Fourth Proportional to 89,288.81, 133,953.66 and 38,696.33

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Solution

The fourth proportional to 89,288.81, 133,953.66 and 38,696.33 is: 58,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.81 : 133,953.66 = 38,696.33 : x
  2. Step 2: Convert to fraction form
    89,288.81/133,953.66 = 38,696.33/x
  3. Step 3: Cross multiply
    89,288.81x = 133,953.66 × 38,696.33
  4. Step 4: Simplify right side
    89,288.81x = 5,183,515,331.89
  5. Step 5: Solve for x
    x = 5,183,515,331.89/89,288.81
  6. Step 6: Final answer
    x = 58,053.36

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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.