Home / 84,453.32-126,427.42-51,072.36

Finding the Fourth Proportional to 84,453.32, 126,427.42 and 51,072.36

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Solution

The fourth proportional to 84,453.32, 126,427.42 and 51,072.36 is: 76,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,453.32 : 126,427.42 = 51,072.36 : x
  2. Step 2: Convert to fraction form
    84,453.32/126,427.42 = 51,072.36/x
  3. Step 3: Cross multiply
    84,453.32x = 126,427.42 × 51,072.36
  4. Step 4: Simplify right side
    84,453.32x = 6,456,946,708.11
  5. Step 5: Solve for x
    x = 6,456,946,708.11/84,453.32
  6. Step 6: Final answer
    x = 76,455.81

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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.