Home / 110,518.12-165,728.46-31,614.40

Finding the Fourth Proportional to 110,518.12, 165,728.46 and 31,614.40

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Solution

The fourth proportional to 110,518.12, 165,728.46 and 31,614.40 is: 47,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,518.12 : 165,728.46 = 31,614.40 : x
  2. Step 2: Convert to fraction form
    110,518.12/165,728.46 = 31,614.40/x
  3. Step 3: Cross multiply
    110,518.12x = 165,728.46 × 31,614.40
  4. Step 4: Simplify right side
    110,518.12x = 5,239,405,825.82
  5. Step 5: Solve for x
    x = 5,239,405,825.82/110,518.12
  6. Step 6: Final answer
    x = 47,407.66

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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.