Home / 99,606.69-149,410.04-36,435.20

Finding the Fourth Proportional to 99,606.69, 149,410.04 and 36,435.20

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Solution

The fourth proportional to 99,606.69, 149,410.04 and 36,435.20 is: 54,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.69 : 149,410.04 = 36,435.20 : x
  2. Step 2: Convert to fraction form
    99,606.69/149,410.04 = 36,435.20/x
  3. Step 3: Cross multiply
    99,606.69x = 149,410.04 × 36,435.20
  4. Step 4: Simplify right side
    99,606.69x = 5,443,783,760.18
  5. Step 5: Solve for x
    x = 5,443,783,760.18/99,606.69
  6. Step 6: Final answer
    x = 54,652.79

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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.