Home / 84,333.05-126,499.57-34,436.64

Finding the Fourth Proportional to 84,333.05, 126,499.57 and 34,436.64

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Solution

The fourth proportional to 84,333.05, 126,499.57 and 34,436.64 is: 51,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,333.05 : 126,499.57 = 34,436.64 : x
  2. Step 2: Convert to fraction form
    84,333.05/126,499.57 = 34,436.64/x
  3. Step 3: Cross multiply
    84,333.05x = 126,499.57 × 34,436.64
  4. Step 4: Simplify right side
    84,333.05x = 4,356,220,734.23
  5. Step 5: Solve for x
    x = 4,356,220,734.23/84,333.05
  6. Step 6: Final answer
    x = 51,654.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.