Home / 120,867.39-181,116.41-50,708.43

Finding the Fourth Proportional to 120,867.39, 181,116.41 and 50,708.43

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Solution

The fourth proportional to 120,867.39, 181,116.41 and 50,708.43 is: 75,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,867.39 : 181,116.41 = 50,708.43 : x
  2. Step 2: Convert to fraction form
    120,867.39/181,116.41 = 50,708.43/x
  3. Step 3: Cross multiply
    120,867.39x = 181,116.41 × 50,708.43
  4. Step 4: Simplify right side
    120,867.39x = 9,184,128,544.79
  5. Step 5: Solve for x
    x = 9,184,128,544.79/120,867.39
  6. Step 6: Final answer
    x = 75,985.16

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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.