Home / 79,088.35-109,141.92-43,278.37

Finding the Fourth Proportional to 79,088.35, 109,141.92 and 43,278.37

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Solution

The fourth proportional to 79,088.35, 109,141.92 and 43,278.37 is: 59,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.35 : 109,141.92 = 43,278.37 : x
  2. Step 2: Convert to fraction form
    79,088.35/109,141.92 = 43,278.37/x
  3. Step 3: Cross multiply
    79,088.35x = 109,141.92 × 43,278.37
  4. Step 4: Simplify right side
    79,088.35x = 4,723,483,850.56
  5. Step 5: Solve for x
    x = 4,723,483,850.56/79,088.35
  6. Step 6: Final answer
    x = 59,724.14

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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.