Home / 80,317.15-110,838.31-44,507.75

Finding the Fourth Proportional to 80,317.15, 110,838.31 and 44,507.75

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Solution

The fourth proportional to 80,317.15, 110,838.31 and 44,507.75 is: 61,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.15 : 110,838.31 = 44,507.75 : x
  2. Step 2: Convert to fraction form
    80,317.15/110,838.31 = 44,507.75/x
  3. Step 3: Cross multiply
    80,317.15x = 110,838.31 × 44,507.75
  4. Step 4: Simplify right side
    80,317.15x = 4,933,163,791.90
  5. Step 5: Solve for x
    x = 4,933,163,791.90/80,317.15
  6. Step 6: Final answer
    x = 61,421.05

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1.5x scale

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.