Home / 79,560.05-109,795.70-43,752.79

Finding the Fourth Proportional to 79,560.05, 109,795.70 and 43,752.79

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Solution

The fourth proportional to 79,560.05, 109,795.70 and 43,752.79 is: 60,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,560.05 : 109,795.70 = 43,752.79 : x
  2. Step 2: Convert to fraction form
    79,560.05/109,795.70 = 43,752.79/x
  3. Step 3: Cross multiply
    79,560.05x = 109,795.70 × 43,752.79
  4. Step 4: Simplify right side
    79,560.05x = 4,803,867,711.75
  5. Step 5: Solve for x
    x = 4,803,867,711.75/79,560.05
  6. Step 6: Final answer
    x = 60,380.40

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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.