Home / 84,452.16-126,721.98-61,269.96

Finding the Fourth Proportional to 84,452.16, 126,721.98 and 61,269.96

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Solution

The fourth proportional to 84,452.16, 126,721.98 and 61,269.96 is: 91,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,452.16 : 126,721.98 = 61,269.96 : x
  2. Step 2: Convert to fraction form
    84,452.16/126,721.98 = 61,269.96/x
  3. Step 3: Cross multiply
    84,452.16x = 126,721.98 × 61,269.96
  4. Step 4: Simplify right side
    84,452.16x = 7,764,250,645.72
  5. Step 5: Solve for x
    x = 7,764,250,645.72/84,452.16
  6. Step 6: Final answer
    x = 91,936.67

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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.