Home / 74,629.80-111,944.70-52,468.20

Finding the Fourth Proportional to 74,629.80, 111,944.70 and 52,468.20

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Solution

The fourth proportional to 74,629.80, 111,944.70 and 52,468.20 is: 78,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.80 : 111,944.70 = 52,468.20 : x
  2. Step 2: Convert to fraction form
    74,629.80/111,944.70 = 52,468.20/x
  3. Step 3: Cross multiply
    74,629.80x = 111,944.70 × 52,468.20
  4. Step 4: Simplify right side
    74,629.80x = 5,873,536,908.54
  5. Step 5: Solve for x
    x = 5,873,536,908.54/74,629.80
  6. Step 6: Final answer
    x = 78,702.30

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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.