Home / 110,102.30-165,121.05-31,223.42

Finding the Fourth Proportional to 110,102.30, 165,121.05 and 31,223.42

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Solution

The fourth proportional to 110,102.30, 165,121.05 and 31,223.42 is: 46,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,102.30 : 165,121.05 = 31,223.42 : x
  2. Step 2: Convert to fraction form
    110,102.30/165,121.05 = 31,223.42/x
  3. Step 3: Cross multiply
    110,102.30x = 165,121.05 × 31,223.42
  4. Step 4: Simplify right side
    110,102.30x = 5,155,643,894.99
  5. Step 5: Solve for x
    x = 5,155,643,894.99/110,102.30
  6. Step 6: Final answer
    x = 46,825.94

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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.