Home / 100,827.74-151,335.17-50,942.88

Finding the Fourth Proportional to 100,827.74, 151,335.17 and 50,942.88

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Solution

The fourth proportional to 100,827.74, 151,335.17 and 50,942.88 is: 76,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,827.74 : 151,335.17 = 50,942.88 : x
  2. Step 2: Convert to fraction form
    100,827.74/151,335.17 = 50,942.88/x
  3. Step 3: Cross multiply
    100,827.74x = 151,335.17 × 50,942.88
  4. Step 4: Simplify right side
    100,827.74x = 7,709,449,405.09
  5. Step 5: Solve for x
    x = 7,709,449,405.09/100,827.74
  6. Step 6: Final answer
    x = 76,461.59

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1.5x scale

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.