Home / 89,770.60-134,657.07-43,012.54

Finding the Fourth Proportional to 89,770.60, 134,657.07 and 43,012.54

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Solution

The fourth proportional to 89,770.60, 134,657.07 and 43,012.54 is: 64,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,770.60 : 134,657.07 = 43,012.54 : x
  2. Step 2: Convert to fraction form
    89,770.60/134,657.07 = 43,012.54/x
  3. Step 3: Cross multiply
    89,770.60x = 134,657.07 × 43,012.54
  4. Step 4: Simplify right side
    89,770.60x = 5,791,942,609.66
  5. Step 5: Solve for x
    x = 5,791,942,609.66/89,770.60
  6. Step 6: Final answer
    x = 64,519.37

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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.