Home / 110,961.27-166,483.80-66,618.93

Finding the Fourth Proportional to 110,961.27, 166,483.80 and 66,618.93

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Solution

The fourth proportional to 110,961.27, 166,483.80 and 66,618.93 is: 99,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.27 : 166,483.80 = 66,618.93 : x
  2. Step 2: Convert to fraction form
    110,961.27/166,483.80 = 66,618.93/x
  3. Step 3: Cross multiply
    110,961.27x = 166,483.80 × 66,618.93
  4. Step 4: Simplify right side
    110,961.27x = 11,090,972,618.33
  5. Step 5: Solve for x
    x = 11,090,972,618.33/110,961.27
  6. Step 6: Final answer
    x = 99,953.55

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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.