Home / 80,805.06-121,073.94-41,307.84

Finding the Fourth Proportional to 80,805.06, 121,073.94 and 41,307.84

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Solution

The fourth proportional to 80,805.06, 121,073.94 and 41,307.84 is: 61,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,805.06 : 121,073.94 = 41,307.84 : x
  2. Step 2: Convert to fraction form
    80,805.06/121,073.94 = 41,307.84/x
  3. Step 3: Cross multiply
    80,805.06x = 121,073.94 × 41,307.84
  4. Step 4: Simplify right side
    80,805.06x = 5,001,302,941.69
  5. Step 5: Solve for x
    x = 5,001,302,941.69/80,805.06
  6. Step 6: Final answer
    x = 61,893.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.