Home / 79,285.30-109,413.66-43,475.92

Finding the Fourth Proportional to 79,285.30, 109,413.66 and 43,475.92

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Solution

The fourth proportional to 79,285.30, 109,413.66 and 43,475.92 is: 59,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.30 : 109,413.66 = 43,475.92 : x
  2. Step 2: Convert to fraction form
    79,285.30/109,413.66 = 43,475.92/x
  3. Step 3: Cross multiply
    79,285.30x = 109,413.66 × 43,475.92
  4. Step 4: Simplify right side
    79,285.30x = 4,756,859,529.07
  5. Step 5: Solve for x
    x = 4,756,859,529.07/79,285.30
  6. Step 6: Final answer
    x = 59,996.74

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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.