Home / 73,201.24-109,779.90-31,080.52

Finding the Fourth Proportional to 73,201.24, 109,779.90 and 31,080.52

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Solution

The fourth proportional to 73,201.24, 109,779.90 and 31,080.52 is: 46,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.24 : 109,779.90 = 31,080.52 : x
  2. Step 2: Convert to fraction form
    73,201.24/109,779.90 = 31,080.52/x
  3. Step 3: Cross multiply
    73,201.24x = 109,779.90 × 31,080.52
  4. Step 4: Simplify right side
    73,201.24x = 3,412,016,377.55
  5. Step 5: Solve for x
    x = 3,412,016,377.55/73,201.24
  6. Step 6: Final answer
    x = 46,611.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.