Home / 94,113.96-129,879.36-51,672.66

Finding the Fourth Proportional to 94,113.96, 129,879.36 and 51,672.66

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Solution

The fourth proportional to 94,113.96, 129,879.36 and 51,672.66 is: 71,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.96 : 129,879.36 = 51,672.66 : x
  2. Step 2: Convert to fraction form
    94,113.96/129,879.36 = 51,672.66/x
  3. Step 3: Cross multiply
    94,113.96x = 129,879.36 × 51,672.66
  4. Step 4: Simplify right side
    94,113.96x = 6,711,212,010.30
  5. Step 5: Solve for x
    x = 6,711,212,010.30/94,113.96
  6. Step 6: Final answer
    x = 71,309.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.