Home / 79,211.04-109,311.48-43,401.12

Finding the Fourth Proportional to 79,211.04, 109,311.48 and 43,401.12

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Solution

The fourth proportional to 79,211.04, 109,311.48 and 43,401.12 is: 59,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211.04 : 109,311.48 = 43,401.12 : x
  2. Step 2: Convert to fraction form
    79,211.04/109,311.48 = 43,401.12/x
  3. Step 3: Cross multiply
    79,211.04x = 109,311.48 × 43,401.12
  4. Step 4: Simplify right side
    79,211.04x = 4,744,240,660.86
  5. Step 5: Solve for x
    x = 4,744,240,660.86/79,211.04
  6. Step 6: Final answer
    x = 59,893.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.