Home / 73,102.16-109,587.36-33,638.96

Finding the Fourth Proportional to 73,102.16, 109,587.36 and 33,638.96

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Solution

The fourth proportional to 73,102.16, 109,587.36 and 33,638.96 is: 50,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.16 : 109,587.36 = 33,638.96 : x
  2. Step 2: Convert to fraction form
    73,102.16/109,587.36 = 33,638.96/x
  3. Step 3: Cross multiply
    73,102.16x = 109,587.36 × 33,638.96
  4. Step 4: Simplify right side
    73,102.16x = 3,686,404,819.55
  5. Step 5: Solve for x
    x = 3,686,404,819.55/73,102.16
  6. Step 6: Final answer
    x = 50,428.12

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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.