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Finding the Fourth Proportional to 73,094.38, 100,872.21 and 44,404.28

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Solution

The fourth proportional to 73,094.38, 100,872.21 and 44,404.28 is: 61,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.38 : 100,872.21 = 44,404.28 : x
  2. Step 2: Convert to fraction form
    73,094.38/100,872.21 = 44,404.28/x
  3. Step 3: Cross multiply
    73,094.38x = 100,872.21 × 44,404.28
  4. Step 4: Simplify right side
    73,094.38x = 4,479,157,857.06
  5. Step 5: Solve for x
    x = 4,479,157,857.06/73,094.38
  6. Step 6: Final answer
    x = 61,279.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.