Home / 120,582.35-166,413.62-66,884.71

Finding the Fourth Proportional to 120,582.35, 166,413.62 and 66,884.71

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Solution

The fourth proportional to 120,582.35, 166,413.62 and 66,884.71 is: 92,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,582.35 : 166,413.62 = 66,884.71 : x
  2. Step 2: Convert to fraction form
    120,582.35/166,413.62 = 66,884.71/x
  3. Step 3: Cross multiply
    120,582.35x = 166,413.62 × 66,884.71
  4. Step 4: Simplify right side
    120,582.35x = 11,130,526,713.75
  5. Step 5: Solve for x
    x = 11,130,526,713.75/120,582.35
  6. Step 6: Final answer
    x = 92,306.43

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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.