Home / 88,736.70-133,039.40-41,934.90

Finding the Fourth Proportional to 88,736.70, 133,039.40 and 41,934.90

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Solution

The fourth proportional to 88,736.70, 133,039.40 and 41,934.90 is: 62,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,736.70 : 133,039.40 = 41,934.90 : x
  2. Step 2: Convert to fraction form
    88,736.70/133,039.40 = 41,934.90/x
  3. Step 3: Cross multiply
    88,736.70x = 133,039.40 × 41,934.90
  4. Step 4: Simplify right side
    88,736.70x = 5,578,993,935.06
  5. Step 5: Solve for x
    x = 5,578,993,935.06/88,736.70
  6. Step 6: Final answer
    x = 62,871.33

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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.