Home / 99,670.86-149,505.81-33,115.98

Finding the Fourth Proportional to 99,670.86, 149,505.81 and 33,115.98

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Solution

The fourth proportional to 99,670.86, 149,505.81 and 33,115.98 is: 49,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670.86 : 149,505.81 = 33,115.98 : x
  2. Step 2: Convert to fraction form
    99,670.86/149,505.81 = 33,115.98/x
  3. Step 3: Cross multiply
    99,670.86x = 149,505.81 × 33,115.98
  4. Step 4: Simplify right side
    99,670.86x = 4,951,031,413.84
  5. Step 5: Solve for x
    x = 4,951,031,413.84/99,670.86
  6. Step 6: Final answer
    x = 49,673.81

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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.