Home / 120,839.50-181,297.77-50,699.98

Finding the Fourth Proportional to 120,839.50, 181,297.77 and 50,699.98

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Solution

The fourth proportional to 120,839.50, 181,297.77 and 50,699.98 is: 76,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,839.50 : 181,297.77 = 50,699.98 : x
  2. Step 2: Convert to fraction form
    120,839.50/181,297.77 = 50,699.98/x
  3. Step 3: Cross multiply
    120,839.50x = 181,297.77 × 50,699.98
  4. Step 4: Simplify right side
    120,839.50x = 9,191,793,313.04
  5. Step 5: Solve for x
    x = 9,191,793,313.04/120,839.50
  6. Step 6: Final answer
    x = 76,066.13

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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.