Home / 61,850.54-92,771.15-19,728.92

Finding the Fourth Proportional to 61,850.54, 92,771.15 and 19,728.92

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Solution

The fourth proportional to 61,850.54, 92,771.15 and 19,728.92 is: 29,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.54 : 92,771.15 = 19,728.92 : x
  2. Step 2: Convert to fraction form
    61,850.54/92,771.15 = 19,728.92/x
  3. Step 3: Cross multiply
    61,850.54x = 92,771.15 × 19,728.92
  4. Step 4: Simplify right side
    61,850.54x = 1,830,274,034.16
  5. Step 5: Solve for x
    x = 1,830,274,034.16/61,850.54
  6. Step 6: Final answer
    x = 29,591.89

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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.