Home / 104,911.27-157,413.42-54,979.50

Finding the Fourth Proportional to 104,911.27, 157,413.42 and 54,979.50

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Solution

The fourth proportional to 104,911.27, 157,413.42 and 54,979.50 is: 82,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.27 : 157,413.42 = 54,979.50 : x
  2. Step 2: Convert to fraction form
    104,911.27/157,413.42 = 54,979.50/x
  3. Step 3: Cross multiply
    104,911.27x = 157,413.42 × 54,979.50
  4. Step 4: Simplify right side
    104,911.27x = 8,654,510,740.76
  5. Step 5: Solve for x
    x = 8,654,510,740.76/104,911.27
  6. Step 6: Final answer
    x = 82,493.62

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1.5x scale

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.