Home / 120,835.05-166,752.28-67,125.07

Finding the Fourth Proportional to 120,835.05, 166,752.28 and 67,125.07

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Solution

The fourth proportional to 120,835.05, 166,752.28 and 67,125.07 is: 92,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835.05 : 166,752.28 = 67,125.07 : x
  2. Step 2: Convert to fraction form
    120,835.05/166,752.28 = 67,125.07/x
  3. Step 3: Cross multiply
    120,835.05x = 166,752.28 × 67,125.07
  4. Step 4: Simplify right side
    120,835.05x = 11,193,258,467.66
  5. Step 5: Solve for x
    x = 11,193,258,467.66/120,835.05
  6. Step 6: Final answer
    x = 92,632.55

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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.