Home / 84,534.33-126,809.96-31,240.30

Finding the Fourth Proportional to 84,534.33, 126,809.96 and 31,240.30

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Solution

The fourth proportional to 84,534.33, 126,809.96 and 31,240.30 is: 46,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,534.33 : 126,809.96 = 31,240.30 : x
  2. Step 2: Convert to fraction form
    84,534.33/126,809.96 = 31,240.30/x
  3. Step 3: Cross multiply
    84,534.33x = 126,809.96 × 31,240.30
  4. Step 4: Simplify right side
    84,534.33x = 3,961,581,193.39
  5. Step 5: Solve for x
    x = 3,961,581,193.39/84,534.33
  6. Step 6: Final answer
    x = 46,863.58

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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.