Home / 107,780.76-161,690.72-44,566.56

Finding the Fourth Proportional to 107,780.76, 161,690.72 and 44,566.56

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Solution

The fourth proportional to 107,780.76, 161,690.72 and 44,566.56 is: 66,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.76 : 161,690.72 = 44,566.56 : x
  2. Step 2: Convert to fraction form
    107,780.76/161,690.72 = 44,566.56/x
  3. Step 3: Cross multiply
    107,780.76x = 161,690.72 × 44,566.56
  4. Step 4: Simplify right side
    107,780.76x = 7,205,999,174.32
  5. Step 5: Solve for x
    x = 7,205,999,174.32/107,780.76
  6. Step 6: Final answer
    x = 66,857.94

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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.