Home / 120,586.03-166,409.16-66,876.01

Finding the Fourth Proportional to 120,586.03, 166,409.16 and 66,876.01

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Solution

The fourth proportional to 120,586.03, 166,409.16 and 66,876.01 is: 92,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,586.03 : 166,409.16 = 66,876.01 : x
  2. Step 2: Convert to fraction form
    120,586.03/166,409.16 = 66,876.01/x
  3. Step 3: Cross multiply
    120,586.03x = 166,409.16 × 66,876.01
  4. Step 4: Simplify right side
    120,586.03x = 11,128,780,648.25
  5. Step 5: Solve for x
    x = 11,128,780,648.25/120,586.03
  6. Step 6: Final answer
    x = 92,289.14

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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.