Home / 84,514.81-126,835.98-57,796.96

Finding the Fourth Proportional to 84,514.81, 126,835.98 and 57,796.96

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Solution

The fourth proportional to 84,514.81, 126,835.98 and 57,796.96 is: 86,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,514.81 : 126,835.98 = 57,796.96 : x
  2. Step 2: Convert to fraction form
    84,514.81/126,835.98 = 57,796.96/x
  3. Step 3: Cross multiply
    84,514.81x = 126,835.98 × 57,796.96
  4. Step 4: Simplify right side
    84,514.81x = 7,330,734,062.62
  5. Step 5: Solve for x
    x = 7,330,734,062.62/84,514.81
  6. Step 6: Final answer
    x = 86,739.05

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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.