Home / 80,693.12-111,359.20-44,396.08

Finding the Fourth Proportional to 80,693.12, 111,359.20 and 44,396.08

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Solution

The fourth proportional to 80,693.12, 111,359.20 and 44,396.08 is: 61,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,693.12 : 111,359.20 = 44,396.08 : x
  2. Step 2: Convert to fraction form
    80,693.12/111,359.20 = 44,396.08/x
  3. Step 3: Cross multiply
    80,693.12x = 111,359.20 × 44,396.08
  4. Step 4: Simplify right side
    80,693.12x = 4,943,911,951.94
  5. Step 5: Solve for x
    x = 4,943,911,951.94/80,693.12
  6. Step 6: Final answer
    x = 61,268.07

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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.