Home / 80,428.07-111,003.95-44,629.61

Finding the Fourth Proportional to 80,428.07, 111,003.95 and 44,629.61

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Solution

The fourth proportional to 80,428.07, 111,003.95 and 44,629.61 is: 61,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,428.07 : 111,003.95 = 44,629.61 : x
  2. Step 2: Convert to fraction form
    80,428.07/111,003.95 = 44,629.61/x
  3. Step 3: Cross multiply
    80,428.07x = 111,003.95 × 44,629.61
  4. Step 4: Simplify right side
    80,428.07x = 4,954,062,773.81
  5. Step 5: Solve for x
    x = 4,954,062,773.81/80,428.07
  6. Step 6: Final answer
    x = 61,596.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.