Home / 80,492.19-111,074.22-44,680.05

Finding the Fourth Proportional to 80,492.19, 111,074.22 and 44,680.05

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Solution

The fourth proportional to 80,492.19, 111,074.22 and 44,680.05 is: 61,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,492.19 : 111,074.22 = 44,680.05 : x
  2. Step 2: Convert to fraction form
    80,492.19/111,074.22 = 44,680.05/x
  3. Step 3: Cross multiply
    80,492.19x = 111,074.22 × 44,680.05
  4. Step 4: Simplify right side
    80,492.19x = 4,962,801,703.31
  5. Step 5: Solve for x
    x = 4,962,801,703.31/80,492.19
  6. Step 6: Final answer
    x = 61,655.69

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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.