Home / 100,799.28-151,232.91-44,631.72

Finding the Fourth Proportional to 100,799.28, 151,232.91 and 44,631.72

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Solution

The fourth proportional to 100,799.28, 151,232.91 and 44,631.72 is: 66,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,799.28 : 151,232.91 = 44,631.72 : x
  2. Step 2: Convert to fraction form
    100,799.28/151,232.91 = 44,631.72/x
  3. Step 3: Cross multiply
    100,799.28x = 151,232.91 × 44,631.72
  4. Step 4: Simplify right side
    100,799.28x = 6,749,784,893.91
  5. Step 5: Solve for x
    x = 6,749,784,893.91/100,799.28
  6. Step 6: Final answer
    x = 66,962.63

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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.