Home / 120,273.32-165,977.50-66,562.04

Finding the Fourth Proportional to 120,273.32, 165,977.50 and 66,562.04

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Solution

The fourth proportional to 120,273.32, 165,977.50 and 66,562.04 is: 91,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.32 : 165,977.50 = 66,562.04 : x
  2. Step 2: Convert to fraction form
    120,273.32/165,977.50 = 66,562.04/x
  3. Step 3: Cross multiply
    120,273.32x = 165,977.50 × 66,562.04
  4. Step 4: Simplify right side
    120,273.32x = 11,047,799,997.81
  5. Step 5: Solve for x
    x = 11,047,799,997.81/120,273.32
  6. Step 6: Final answer
    x = 91,855.79

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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.