Home / 120,671.04-166,526.01-66,956.43

Finding the Fourth Proportional to 120,671.04, 166,526.01 and 66,956.43

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Solution

The fourth proportional to 120,671.04, 166,526.01 and 66,956.43 is: 92,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,671.04 : 166,526.01 = 66,956.43 : x
  2. Step 2: Convert to fraction form
    120,671.04/166,526.01 = 66,956.43/x
  3. Step 3: Cross multiply
    120,671.04x = 166,526.01 × 66,956.43
  4. Step 4: Simplify right side
    120,671.04x = 11,149,987,131.74
  5. Step 5: Solve for x
    x = 11,149,987,131.74/120,671.04
  6. Step 6: Final answer
    x = 92,399.86

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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.