Home / 120,589.18-166,410.48-69,597.91

Finding the Fourth Proportional to 120,589.18, 166,410.48 and 69,597.91

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Solution

The fourth proportional to 120,589.18, 166,410.48 and 69,597.91 is: 96,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,589.18 : 166,410.48 = 69,597.91 : x
  2. Step 2: Convert to fraction form
    120,589.18/166,410.48 = 69,597.91/x
  3. Step 3: Cross multiply
    120,589.18x = 166,410.48 × 69,597.91
  4. Step 4: Simplify right side
    120,589.18x = 11,581,821,610.10
  5. Step 5: Solve for x
    x = 11,581,821,610.10/120,589.18
  6. Step 6: Final answer
    x = 96,043.62

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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.