Home / 79,842.45-119,772.92-26,539.18

Finding the Fourth Proportional to 79,842.45, 119,772.92 and 26,539.18

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Solution

The fourth proportional to 79,842.45, 119,772.92 and 26,539.18 is: 39,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,842.45 : 119,772.92 = 26,539.18 : x
  2. Step 2: Convert to fraction form
    79,842.45/119,772.92 = 26,539.18/x
  3. Step 3: Cross multiply
    79,842.45x = 119,772.92 × 26,539.18
  4. Step 4: Simplify right side
    79,842.45x = 3,178,675,083.01
  5. Step 5: Solve for x
    x = 3,178,675,083.01/79,842.45
  6. Step 6: Final answer
    x = 39,811.84

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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.