Home / 80,619.79-111,253-44,808.88

Finding the Fourth Proportional to 80,619.79, 111,253 and 44,808.88

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Solution

The fourth proportional to 80,619.79, 111,253 and 44,808.88 is: 61,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,619.79 : 111,253 = 44,808.88 : x
  2. Step 2: Convert to fraction form
    80,619.79/111,253 = 44,808.88/x
  3. Step 3: Cross multiply
    80,619.79x = 111,253 × 44,808.88
  4. Step 4: Simplify right side
    80,619.79x = 4,985,122,326.64
  5. Step 5: Solve for x
    x = 4,985,122,326.64/80,619.79
  6. Step 6: Final answer
    x = 61,834.97

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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.