Home / 75,946.60-113,909.91-19,790.79

Finding the Fourth Proportional to 75,946.60, 113,909.91 and 19,790.79

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Solution

The fourth proportional to 75,946.60, 113,909.91 and 19,790.79 is: 29,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,946.60 : 113,909.91 = 19,790.79 : x
  2. Step 2: Convert to fraction form
    75,946.60/113,909.91 = 19,790.79/x
  3. Step 3: Cross multiply
    75,946.60x = 113,909.91 × 19,790.79
  4. Step 4: Simplify right side
    75,946.60x = 2,254,367,107.73
  5. Step 5: Solve for x
    x = 2,254,367,107.73/75,946.60
  6. Step 6: Final answer
    x = 29,683.58

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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.