Home / 76,879.37-115,323.92-32,500.28

Finding the Fourth Proportional to 76,879.37, 115,323.92 and 32,500.28

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Solution

The fourth proportional to 76,879.37, 115,323.92 and 32,500.28 is: 48,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,879.37 : 115,323.92 = 32,500.28 : x
  2. Step 2: Convert to fraction form
    76,879.37/115,323.92 = 32,500.28/x
  3. Step 3: Cross multiply
    76,879.37x = 115,323.92 × 32,500.28
  4. Step 4: Simplify right side
    76,879.37x = 3,748,059,528.20
  5. Step 5: Solve for x
    x = 3,748,059,528.20/76,879.37
  6. Step 6: Final answer
    x = 48,752.47

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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.