Home / 75,434.62-104,118.60-43,621.87

Finding the Fourth Proportional to 75,434.62, 104,118.60 and 43,621.87

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Solution

The fourth proportional to 75,434.62, 104,118.60 and 43,621.87 is: 60,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.62 : 104,118.60 = 43,621.87 : x
  2. Step 2: Convert to fraction form
    75,434.62/104,118.60 = 43,621.87/x
  3. Step 3: Cross multiply
    75,434.62x = 104,118.60 × 43,621.87
  4. Step 4: Simplify right side
    75,434.62x = 4,541,848,033.78
  5. Step 5: Solve for x
    x = 4,541,848,033.78/75,434.62
  6. Step 6: Final answer
    x = 60,209.07

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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.