Home / 109,027.46-150,462.16-61,280.66

Finding the Fourth Proportional to 109,027.46, 150,462.16 and 61,280.66

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Solution

The fourth proportional to 109,027.46, 150,462.16 and 61,280.66 is: 84,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,027.46 : 150,462.16 = 61,280.66 : x
  2. Step 2: Convert to fraction form
    109,027.46/150,462.16 = 61,280.66/x
  3. Step 3: Cross multiply
    109,027.46x = 150,462.16 × 61,280.66
  4. Step 4: Simplify right side
    109,027.46x = 9,220,420,469.83
  5. Step 5: Solve for x
    x = 9,220,420,469.83/109,027.46
  6. Step 6: Final answer
    x = 84,569.71

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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.