Home / 84,413.12-126,344.96-62,217.60

Finding the Fourth Proportional to 84,413.12, 126,344.96 and 62,217.60

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Solution

The fourth proportional to 84,413.12, 126,344.96 and 62,217.60 is: 93,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,413.12 : 126,344.96 = 62,217.60 : x
  2. Step 2: Convert to fraction form
    84,413.12/126,344.96 = 62,217.60/x
  3. Step 3: Cross multiply
    84,413.12x = 126,344.96 × 62,217.60
  4. Step 4: Simplify right side
    84,413.12x = 7,860,880,183.30
  5. Step 5: Solve for x
    x = 7,860,880,183.30/84,413.12
  6. Step 6: Final answer
    x = 93,123.91

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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.