Home / 120,984.74-181,514.03-61,861.94

Finding the Fourth Proportional to 120,984.74, 181,514.03 and 61,861.94

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Solution

The fourth proportional to 120,984.74, 181,514.03 and 61,861.94 is: 92,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.74 : 181,514.03 = 61,861.94 : x
  2. Step 2: Convert to fraction form
    120,984.74/181,514.03 = 61,861.94/x
  3. Step 3: Cross multiply
    120,984.74x = 181,514.03 × 61,861.94
  4. Step 4: Simplify right side
    120,984.74x = 11,228,810,187.67
  5. Step 5: Solve for x
    x = 11,228,810,187.67/120,984.74
  6. Step 6: Final answer
    x = 92,811.79

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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.