Home / 93,653.20-140,257.86-53,693.92

Finding the Fourth Proportional to 93,653.20, 140,257.86 and 53,693.92

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Solution

The fourth proportional to 93,653.20, 140,257.86 and 53,693.92 is: 80,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,653.20 : 140,257.86 = 53,693.92 : x
  2. Step 2: Convert to fraction form
    93,653.20/140,257.86 = 53,693.92/x
  3. Step 3: Cross multiply
    93,653.20x = 140,257.86 × 53,693.92
  4. Step 4: Simplify right side
    93,653.20x = 7,530,994,314.21
  5. Step 5: Solve for x
    x = 7,530,994,314.21/93,653.20
  6. Step 6: Final answer
    x = 80,413.64

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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.