Home / 47,660.66-71,490.53-12,122.08

Finding the Fourth Proportional to 47,660.66, 71,490.53 and 12,122.08

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Solution

The fourth proportional to 47,660.66, 71,490.53 and 12,122.08 is: 18,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.66 : 71,490.53 = 12,122.08 : x
  2. Step 2: Convert to fraction form
    47,660.66/71,490.53 = 12,122.08/x
  3. Step 3: Cross multiply
    47,660.66x = 71,490.53 × 12,122.08
  4. Step 4: Simplify right side
    47,660.66x = 866,613,923.90
  5. Step 5: Solve for x
    x = 866,613,923.90/47,660.66
  6. Step 6: Final answer
    x = 18,183.00

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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.