Home / 84,453.54-126,427.91-51,072.63

Finding the Fourth Proportional to 84,453.54, 126,427.91 and 51,072.63

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Solution

The fourth proportional to 84,453.54, 126,427.91 and 51,072.63 is: 76,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,453.54 : 126,427.91 = 51,072.63 : x
  2. Step 2: Convert to fraction form
    84,453.54/126,427.91 = 51,072.63/x
  3. Step 3: Cross multiply
    84,453.54x = 126,427.91 × 51,072.63
  4. Step 4: Simplify right side
    84,453.54x = 6,457,005,613.74
  5. Step 5: Solve for x
    x = 6,457,005,613.74/84,453.54
  6. Step 6: Final answer
    x = 76,456.31

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1.5x scale

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.