Home / 120,582.52-166,388.46-66,867.16

Finding the Fourth Proportional to 120,582.52, 166,388.46 and 66,867.16

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Solution

The fourth proportional to 120,582.52, 166,388.46 and 66,867.16 is: 92,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,582.52 : 166,388.46 = 66,867.16 : x
  2. Step 2: Convert to fraction form
    120,582.52/166,388.46 = 66,867.16/x
  3. Step 3: Cross multiply
    120,582.52x = 166,388.46 × 66,867.16
  4. Step 4: Simplify right side
    120,582.52x = 11,125,923,776.97
  5. Step 5: Solve for x
    x = 11,125,923,776.97/120,582.52
  6. Step 6: Final answer
    x = 92,268.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.