Home / 80,658.84-121,003.52-26,626.57

Finding the Fourth Proportional to 80,658.84, 121,003.52 and 26,626.57

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Solution

The fourth proportional to 80,658.84, 121,003.52 and 26,626.57 is: 39,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,658.84 : 121,003.52 = 26,626.57 : x
  2. Step 2: Convert to fraction form
    80,658.84/121,003.52 = 26,626.57/x
  3. Step 3: Cross multiply
    80,658.84x = 121,003.52 × 26,626.57
  4. Step 4: Simplify right side
    80,658.84x = 3,221,909,090.30
  5. Step 5: Solve for x
    x = 3,221,909,090.30/80,658.84
  6. Step 6: Final answer
    x = 39,944.90

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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.