Home / 120,931.38-181,410.30-41,027.04

Finding the Fourth Proportional to 120,931.38, 181,410.30 and 41,027.04

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Solution

The fourth proportional to 120,931.38, 181,410.30 and 41,027.04 is: 61,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,931.38 : 181,410.30 = 41,027.04 : x
  2. Step 2: Convert to fraction form
    120,931.38/181,410.30 = 41,027.04/x
  3. Step 3: Cross multiply
    120,931.38x = 181,410.30 × 41,027.04
  4. Step 4: Simplify right side
    120,931.38x = 7,442,727,634.51
  5. Step 5: Solve for x
    x = 7,442,727,634.51/120,931.38
  6. Step 6: Final answer
    x = 61,545.05

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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.