Home / 73,100.24-109,650.08-28,695.92

Finding the Fourth Proportional to 73,100.24, 109,650.08 and 28,695.92

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Solution

The fourth proportional to 73,100.24, 109,650.08 and 28,695.92 is: 43,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100.24 : 109,650.08 = 28,695.92 : x
  2. Step 2: Convert to fraction form
    73,100.24/109,650.08 = 28,695.92/x
  3. Step 3: Cross multiply
    73,100.24x = 109,650.08 × 28,695.92
  4. Step 4: Simplify right side
    73,100.24x = 3,146,509,923.67
  5. Step 5: Solve for x
    x = 3,146,509,923.67/73,100.24
  6. Step 6: Final answer
    x = 43,043.77

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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.