Home / 104,911.35-157,413.53-54,979.58

Finding the Fourth Proportional to 104,911.35, 157,413.53 and 54,979.58

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Solution

The fourth proportional to 104,911.35, 157,413.53 and 54,979.58 is: 82,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.35 : 157,413.53 = 54,979.58 : x
  2. Step 2: Convert to fraction form
    104,911.35/157,413.53 = 54,979.58/x
  3. Step 3: Cross multiply
    104,911.35x = 157,413.53 × 54,979.58
  4. Step 4: Simplify right side
    104,911.35x = 8,654,529,116.10
  5. Step 5: Solve for x
    x = 8,654,529,116.10/104,911.35
  6. Step 6: Final answer
    x = 82,493.74

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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.