Home / 89,012.54-133,470.92-35,677.76

Finding the Fourth Proportional to 89,012.54, 133,470.92 and 35,677.76

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Solution

The fourth proportional to 89,012.54, 133,470.92 and 35,677.76 is: 53,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,012.54 : 133,470.92 = 35,677.76 : x
  2. Step 2: Convert to fraction form
    89,012.54/133,470.92 = 35,677.76/x
  3. Step 3: Cross multiply
    89,012.54x = 133,470.92 × 35,677.76
  4. Step 4: Simplify right side
    89,012.54x = 4,761,943,450.74
  5. Step 5: Solve for x
    x = 4,761,943,450.74/89,012.54
  6. Step 6: Final answer
    x = 53,497.44

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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.