Home / 120,766.18-166,661.58-67,052.02

Finding the Fourth Proportional to 120,766.18, 166,661.58 and 67,052.02

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Solution

The fourth proportional to 120,766.18, 166,661.58 and 67,052.02 is: 92,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,766.18 : 166,661.58 = 67,052.02 : x
  2. Step 2: Convert to fraction form
    120,766.18/166,661.58 = 67,052.02/x
  3. Step 3: Cross multiply
    120,766.18x = 166,661.58 × 67,052.02
  4. Step 4: Simplify right side
    120,766.18x = 11,174,995,595.39
  5. Step 5: Solve for x
    x = 11,174,995,595.39/120,766.18
  6. Step 6: Final answer
    x = 92,534.15

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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.