Home / 100,934.45-151,423.84-29,851.55

Finding the Fourth Proportional to 100,934.45, 151,423.84 and 29,851.55

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Solution

The fourth proportional to 100,934.45, 151,423.84 and 29,851.55 is: 44,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,934.45 : 151,423.84 = 29,851.55 : x
  2. Step 2: Convert to fraction form
    100,934.45/151,423.84 = 29,851.55/x
  3. Step 3: Cross multiply
    100,934.45x = 151,423.84 × 29,851.55
  4. Step 4: Simplify right side
    100,934.45x = 4,520,235,837.06
  5. Step 5: Solve for x
    x = 4,520,235,837.06/100,934.45
  6. Step 6: Final answer
    x = 44,783.88

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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.