Home / 120,723.60-166,608.84-67,014.16

Finding the Fourth Proportional to 120,723.60, 166,608.84 and 67,014.16

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Solution

The fourth proportional to 120,723.60, 166,608.84 and 67,014.16 is: 92,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,723.60 : 166,608.84 = 67,014.16 : x
  2. Step 2: Convert to fraction form
    120,723.60/166,608.84 = 67,014.16/x
  3. Step 3: Cross multiply
    120,723.60x = 166,608.84 × 67,014.16
  4. Step 4: Simplify right side
    120,723.60x = 11,165,151,461.17
  5. Step 5: Solve for x
    x = 11,165,151,461.17/120,723.60
  6. Step 6: Final answer
    x = 92,485.24

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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.