Home / 79,132.39-109,202.85-43,324.67

Finding the Fourth Proportional to 79,132.39, 109,202.85 and 43,324.67

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Solution

The fourth proportional to 79,132.39, 109,202.85 and 43,324.67 is: 59,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.39 : 109,202.85 = 43,324.67 : x
  2. Step 2: Convert to fraction form
    79,132.39/109,202.85 = 43,324.67/x
  3. Step 3: Cross multiply
    79,132.39x = 109,202.85 × 43,324.67
  4. Step 4: Simplify right side
    79,132.39x = 4,731,177,712.32
  5. Step 5: Solve for x
    x = 4,731,177,712.32/79,132.39
  6. Step 6: Final answer
    x = 59,788.13

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1.5x scale

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.