Home / 73,105.10-109,572.60-33,666.20

Finding the Fourth Proportional to 73,105.10, 109,572.60 and 33,666.20

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Solution

The fourth proportional to 73,105.10, 109,572.60 and 33,666.20 is: 50,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,105.10 : 109,572.60 = 33,666.20 : x
  2. Step 2: Convert to fraction form
    73,105.10/109,572.60 = 33,666.20/x
  3. Step 3: Cross multiply
    73,105.10x = 109,572.60 × 33,666.20
  4. Step 4: Simplify right side
    73,105.10x = 3,688,893,066.12
  5. Step 5: Solve for x
    x = 3,688,893,066.12/73,105.10
  6. Step 6: Final answer
    x = 50,460.13

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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.