Home / 120,704.13-181,014.08-49,606.38

Finding the Fourth Proportional to 120,704.13, 181,014.08 and 49,606.38

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Solution

The fourth proportional to 120,704.13, 181,014.08 and 49,606.38 is: 74,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,704.13 : 181,014.08 = 49,606.38 : x
  2. Step 2: Convert to fraction form
    120,704.13/181,014.08 = 49,606.38/x
  3. Step 3: Cross multiply
    120,704.13x = 181,014.08 × 49,606.38
  4. Step 4: Simplify right side
    120,704.13x = 8,979,452,989.80
  5. Step 5: Solve for x
    x = 8,979,452,989.80/120,704.13
  6. Step 6: Final answer
    x = 74,392.26

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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.