Home / 79,581.90-119,374.16-26,992.74

Finding the Fourth Proportional to 79,581.90, 119,374.16 and 26,992.74

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Solution

The fourth proportional to 79,581.90, 119,374.16 and 26,992.74 is: 40,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581.90 : 119,374.16 = 26,992.74 : x
  2. Step 2: Convert to fraction form
    79,581.90/119,374.16 = 26,992.74/x
  3. Step 3: Cross multiply
    79,581.90x = 119,374.16 × 26,992.74
  4. Step 4: Simplify right side
    79,581.90x = 3,222,235,528.63
  5. Step 5: Solve for x
    x = 3,222,235,528.63/79,581.90
  6. Step 6: Final answer
    x = 40,489.55

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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.