Home / 104,911.40-157,413.61-54,979.62

Finding the Fourth Proportional to 104,911.40, 157,413.61 and 54,979.62

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Solution

The fourth proportional to 104,911.40, 157,413.61 and 54,979.62 is: 82,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.40 : 157,413.61 = 54,979.62 : x
  2. Step 2: Convert to fraction form
    104,911.40/157,413.61 = 54,979.62/x
  3. Step 3: Cross multiply
    104,911.40x = 157,413.61 × 54,979.62
  4. Step 4: Simplify right side
    104,911.40x = 8,654,540,460.63
  5. Step 5: Solve for x
    x = 8,654,540,460.63/104,911.40
  6. Step 6: Final answer
    x = 82,493.81

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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.