Home / 110,961.22-166,483.77-66,618.89

Finding the Fourth Proportional to 110,961.22, 166,483.77 and 66,618.89

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Solution

The fourth proportional to 110,961.22, 166,483.77 and 66,618.89 is: 99,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.22 : 166,483.77 = 66,618.89 : x
  2. Step 2: Convert to fraction form
    110,961.22/166,483.77 = 66,618.89/x
  3. Step 3: Cross multiply
    110,961.22x = 166,483.77 × 66,618.89
  4. Step 4: Simplify right side
    110,961.22x = 11,090,962,794.90
  5. Step 5: Solve for x
    x = 11,090,962,794.90/110,961.22
  6. Step 6: Final answer
    x = 99,953.50

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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.