Home / 120,660.83-166,521.08-66,956.01

Finding the Fourth Proportional to 120,660.83, 166,521.08 and 66,956.01

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Solution

The fourth proportional to 120,660.83, 166,521.08 and 66,956.01 is: 92,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,660.83 : 166,521.08 = 66,956.01 : x
  2. Step 2: Convert to fraction form
    120,660.83/166,521.08 = 66,956.01/x
  3. Step 3: Cross multiply
    120,660.83x = 166,521.08 × 66,956.01
  4. Step 4: Simplify right side
    120,660.83x = 11,149,587,097.69
  5. Step 5: Solve for x
    x = 11,149,587,097.69/120,660.83
  6. Step 6: Final answer
    x = 92,404.36

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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.