Home / 73,204.12-109,832.50-28,806.28

Finding the Fourth Proportional to 73,204.12, 109,832.50 and 28,806.28

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Solution

The fourth proportional to 73,204.12, 109,832.50 and 28,806.28 is: 43,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,204.12 : 109,832.50 = 28,806.28 : x
  2. Step 2: Convert to fraction form
    73,204.12/109,832.50 = 28,806.28/x
  3. Step 3: Cross multiply
    73,204.12x = 109,832.50 × 28,806.28
  4. Step 4: Simplify right side
    73,204.12x = 3,163,865,748.10
  5. Step 5: Solve for x
    x = 3,163,865,748.10/73,204.12
  6. Step 6: Final answer
    x = 43,219.78

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1.5x scale

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.