Home / 76,413.40-114,620.10-59,824.60

Finding the Fourth Proportional to 76,413.40, 114,620.10 and 59,824.60

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Solution

The fourth proportional to 76,413.40, 114,620.10 and 59,824.60 is: 89,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,413.40 : 114,620.10 = 59,824.60 : x
  2. Step 2: Convert to fraction form
    76,413.40/114,620.10 = 59,824.60/x
  3. Step 3: Cross multiply
    76,413.40x = 114,620.10 × 59,824.60
  4. Step 4: Simplify right side
    76,413.40x = 6,857,101,634.46
  5. Step 5: Solve for x
    x = 6,857,101,634.46/76,413.40
  6. Step 6: Final answer
    x = 89,736.90

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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.