Home / 80,664.87-111,312.63-44,853.60

Finding the Fourth Proportional to 80,664.87, 111,312.63 and 44,853.60

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Solution

The fourth proportional to 80,664.87, 111,312.63 and 44,853.60 is: 61,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,664.87 : 111,312.63 = 44,853.60 : x
  2. Step 2: Convert to fraction form
    80,664.87/111,312.63 = 44,853.60/x
  3. Step 3: Cross multiply
    80,664.87x = 111,312.63 × 44,853.60
  4. Step 4: Simplify right side
    80,664.87x = 4,992,772,180.97
  5. Step 5: Solve for x
    x = 4,992,772,180.97/80,664.87
  6. Step 6: Final answer
    x = 61,895.25

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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.