Home / 112,939.18-169,407.85-28,699.58

Finding the Fourth Proportional to 112,939.18, 169,407.85 and 28,699.58

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Solution

The fourth proportional to 112,939.18, 169,407.85 and 28,699.58 is: 43,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.18 : 169,407.85 = 28,699.58 : x
  2. Step 2: Convert to fraction form
    112,939.18/169,407.85 = 28,699.58/x
  3. Step 3: Cross multiply
    112,939.18x = 169,407.85 × 28,699.58
  4. Step 4: Simplify right side
    112,939.18x = 4,861,934,143.70
  5. Step 5: Solve for x
    x = 4,861,934,143.70/112,939.18
  6. Step 6: Final answer
    x = 43,049.14

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