Home / 84,530.98-126,789.13-51,241.24

Finding the Fourth Proportional to 84,530.98, 126,789.13 and 51,241.24

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Solution

The fourth proportional to 84,530.98, 126,789.13 and 51,241.24 is: 76,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,530.98 : 126,789.13 = 51,241.24 : x
  2. Step 2: Convert to fraction form
    84,530.98/126,789.13 = 51,241.24/x
  3. Step 3: Cross multiply
    84,530.98x = 126,789.13 × 51,241.24
  4. Step 4: Simplify right side
    84,530.98x = 6,496,832,239.72
  5. Step 5: Solve for x
    x = 6,496,832,239.72/84,530.98
  6. Step 6: Final answer
    x = 76,857.41

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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.