Home / 84,736.86-126,950.37-39,675.56

Finding the Fourth Proportional to 84,736.86, 126,950.37 and 39,675.56

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Solution

The fourth proportional to 84,736.86, 126,950.37 and 39,675.56 is: 59,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.86 : 126,950.37 = 39,675.56 : x
  2. Step 2: Convert to fraction form
    84,736.86/126,950.37 = 39,675.56/x
  3. Step 3: Cross multiply
    84,736.86x = 126,950.37 × 39,675.56
  4. Step 4: Simplify right side
    84,736.86x = 5,036,826,387.21
  5. Step 5: Solve for x
    x = 5,036,826,387.21/84,736.86
  6. Step 6: Final answer
    x = 59,440.80

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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.