Home / 92,999.89-128,334.94-50,558.23

Finding the Fourth Proportional to 92,999.89, 128,334.94 and 50,558.23

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Solution

The fourth proportional to 92,999.89, 128,334.94 and 50,558.23 is: 69,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.89 : 128,334.94 = 50,558.23 : x
  2. Step 2: Convert to fraction form
    92,999.89/128,334.94 = 50,558.23/x
  3. Step 3: Cross multiply
    92,999.89x = 128,334.94 × 50,558.23
  4. Step 4: Simplify right side
    92,999.89x = 6,488,387,413.56
  5. Step 5: Solve for x
    x = 6,488,387,413.56/92,999.89
  6. Step 6: Final answer
    x = 69,767.69

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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.