Home / 80,447.79-111,012.62-44,635.53

Finding the Fourth Proportional to 80,447.79, 111,012.62 and 44,635.53

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Solution

The fourth proportional to 80,447.79, 111,012.62 and 44,635.53 is: 61,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.79 : 111,012.62 = 44,635.53 : x
  2. Step 2: Convert to fraction form
    80,447.79/111,012.62 = 44,635.53/x
  3. Step 3: Cross multiply
    80,447.79x = 111,012.62 × 44,635.53
  4. Step 4: Simplify right side
    80,447.79x = 4,955,106,907.21
  5. Step 5: Solve for x
    x = 4,955,106,907.21/80,447.79
  6. Step 6: Final answer
    x = 61,594.07

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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.