Home / 71,727.72-98,994.60-43,048.68

Finding the Fourth Proportional to 71,727.72, 98,994.60 and 43,048.68

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Solution

The fourth proportional to 71,727.72, 98,994.60 and 43,048.68 is: 59,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727.72 : 98,994.60 = 43,048.68 : x
  2. Step 2: Convert to fraction form
    71,727.72/98,994.60 = 43,048.68/x
  3. Step 3: Cross multiply
    71,727.72x = 98,994.60 × 43,048.68
  4. Step 4: Simplify right side
    71,727.72x = 4,261,586,857.13
  5. Step 5: Solve for x
    x = 4,261,586,857.13/71,727.72
  6. Step 6: Final answer
    x = 59,413.39

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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.