Home / 84,453.56-126,665.76-25,273.34

Finding the Fourth Proportional to 84,453.56, 126,665.76 and 25,273.34

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Solution

The fourth proportional to 84,453.56, 126,665.76 and 25,273.34 is: 37,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,453.56 : 126,665.76 = 25,273.34 : x
  2. Step 2: Convert to fraction form
    84,453.56/126,665.76 = 25,273.34/x
  3. Step 3: Cross multiply
    84,453.56x = 126,665.76 × 25,273.34
  4. Step 4: Simplify right side
    84,453.56x = 3,201,266,818.84
  5. Step 5: Solve for x
    x = 3,201,266,818.84/84,453.56
  6. Step 6: Final answer
    x = 37,905.65

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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.