Home / 89,852.05-123,991.41-54,035.11

Finding the Fourth Proportional to 89,852.05, 123,991.41 and 54,035.11

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Solution

The fourth proportional to 89,852.05, 123,991.41 and 54,035.11 is: 74,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.05 : 123,991.41 = 54,035.11 : x
  2. Step 2: Convert to fraction form
    89,852.05/123,991.41 = 54,035.11/x
  3. Step 3: Cross multiply
    89,852.05x = 123,991.41 × 54,035.11
  4. Step 4: Simplify right side
    89,852.05x = 6,699,889,478.41
  5. Step 5: Solve for x
    x = 6,699,889,478.41/89,852.05
  6. Step 6: Final answer
    x = 74,565.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.