Home / 80,356.60-110,890.20-46,365.16

Finding the Fourth Proportional to 80,356.60, 110,890.20 and 46,365.16

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Solution

The fourth proportional to 80,356.60, 110,890.20 and 46,365.16 is: 63,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,356.60 : 110,890.20 = 46,365.16 : x
  2. Step 2: Convert to fraction form
    80,356.60/110,890.20 = 46,365.16/x
  3. Step 3: Cross multiply
    80,356.60x = 110,890.20 × 46,365.16
  4. Step 4: Simplify right side
    80,356.60x = 5,141,441,865.43
  5. Step 5: Solve for x
    x = 5,141,441,865.43/80,356.60
  6. Step 6: Final answer
    x = 63,982.82

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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.