Home / 99,727.20-149,226.30-73,483.20

Finding the Fourth Proportional to 99,727.20, 149,226.30 and 73,483.20

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Solution

The fourth proportional to 99,727.20, 149,226.30 and 73,483.20 is: 109,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727.20 : 149,226.30 = 73,483.20 : x
  2. Step 2: Convert to fraction form
    99,727.20/149,226.30 = 73,483.20/x
  3. Step 3: Cross multiply
    99,727.20x = 149,226.30 × 73,483.20
  4. Step 4: Simplify right side
    99,727.20x = 10,965,626,048.16
  5. Step 5: Solve for x
    x = 10,965,626,048.16/99,727.20
  6. Step 6: Final answer
    x = 109,956.22

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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.