Home / 74,976.72-112,230.84-50,037.20

Finding the Fourth Proportional to 74,976.72, 112,230.84 and 50,037.20

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Solution

The fourth proportional to 74,976.72, 112,230.84 and 50,037.20 is: 74,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.72 : 112,230.84 = 50,037.20 : x
  2. Step 2: Convert to fraction form
    74,976.72/112,230.84 = 50,037.20/x
  3. Step 3: Cross multiply
    74,976.72x = 112,230.84 × 50,037.20
  4. Step 4: Simplify right side
    74,976.72x = 5,615,716,987.25
  5. Step 5: Solve for x
    x = 5,615,716,987.25/74,976.72
  6. Step 6: Final answer
    x = 74,899.48

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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.