Home / 100,921.14-151,310.88-44,730.72

Finding the Fourth Proportional to 100,921.14, 151,310.88 and 44,730.72

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Solution

The fourth proportional to 100,921.14, 151,310.88 and 44,730.72 is: 67,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,921.14 : 151,310.88 = 44,730.72 : x
  2. Step 2: Convert to fraction form
    100,921.14/151,310.88 = 44,730.72/x
  3. Step 3: Cross multiply
    100,921.14x = 151,310.88 × 44,730.72
  4. Step 4: Simplify right side
    100,921.14x = 6,768,244,606.23
  5. Step 5: Solve for x
    x = 6,768,244,606.23/100,921.14
  6. Step 6: Final answer
    x = 67,064.69

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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.