Home / 100,959.20-151,433.32-30,833.04

Finding the Fourth Proportional to 100,959.20, 151,433.32 and 30,833.04

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Solution

The fourth proportional to 100,959.20, 151,433.32 and 30,833.04 is: 46,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,959.20 : 151,433.32 = 30,833.04 : x
  2. Step 2: Convert to fraction form
    100,959.20/151,433.32 = 30,833.04/x
  3. Step 3: Cross multiply
    100,959.20x = 151,433.32 × 30,833.04
  4. Step 4: Simplify right side
    100,959.20x = 4,669,149,612.89
  5. Step 5: Solve for x
    x = 4,669,149,612.89/100,959.20
  6. Step 6: Final answer
    x = 46,247.89

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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.