Home / 89,861.37-124,007.86-49,575.44

Finding the Fourth Proportional to 89,861.37, 124,007.86 and 49,575.44

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Solution

The fourth proportional to 89,861.37, 124,007.86 and 49,575.44 is: 68,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.37 : 124,007.86 = 49,575.44 : x
  2. Step 2: Convert to fraction form
    89,861.37/124,007.86 = 49,575.44/x
  3. Step 3: Cross multiply
    89,861.37x = 124,007.86 × 49,575.44
  4. Step 4: Simplify right side
    89,861.37x = 6,147,744,594.95
  5. Step 5: Solve for x
    x = 6,147,744,594.95/89,861.37
  6. Step 6: Final answer
    x = 68,413.66

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1.5x scale

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.