Home / 120,675.99-166,534.18-66,961.91

Finding the Fourth Proportional to 120,675.99, 166,534.18 and 66,961.91

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Solution

The fourth proportional to 120,675.99, 166,534.18 and 66,961.91 is: 92,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,675.99 : 166,534.18 = 66,961.91 : x
  2. Step 2: Convert to fraction form
    120,675.99/166,534.18 = 66,961.91/x
  3. Step 3: Cross multiply
    120,675.99x = 166,534.18 × 66,961.91
  4. Step 4: Simplify right side
    120,675.99x = 11,151,446,085.26
  5. Step 5: Solve for x
    x = 11,151,446,085.26/120,675.99
  6. Step 6: Final answer
    x = 92,408.16

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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.