Home / 79,132.76-109,203.37-43,325.05

Finding the Fourth Proportional to 79,132.76, 109,203.37 and 43,325.05

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Solution

The fourth proportional to 79,132.76, 109,203.37 and 43,325.05 is: 59,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.76 : 109,203.37 = 43,325.05 : x
  2. Step 2: Convert to fraction form
    79,132.76/109,203.37 = 43,325.05/x
  3. Step 3: Cross multiply
    79,132.76x = 109,203.37 × 43,325.05
  4. Step 4: Simplify right side
    79,132.76x = 4,731,241,084.10
  5. Step 5: Solve for x
    x = 4,731,241,084.10/79,132.76
  6. Step 6: Final answer
    x = 59,788.65

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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.