Home / 120,923.40-181,320.30-50,723.40

Finding the Fourth Proportional to 120,923.40, 181,320.30 and 50,723.40

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Solution

The fourth proportional to 120,923.40, 181,320.30 and 50,723.40 is: 76,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,923.40 : 181,320.30 = 50,723.40 : x
  2. Step 2: Convert to fraction form
    120,923.40/181,320.30 = 50,723.40/x
  3. Step 3: Cross multiply
    120,923.40x = 181,320.30 × 50,723.40
  4. Step 4: Simplify right side
    120,923.40x = 9,197,182,105.02
  5. Step 5: Solve for x
    x = 9,197,182,105.02/120,923.40
  6. Step 6: Final answer
    x = 76,057.92

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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.