Home / 86,431.86-119,244.96-50,608.80

Finding the Fourth Proportional to 86,431.86, 119,244.96 and 50,608.80

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Solution

The fourth proportional to 86,431.86, 119,244.96 and 50,608.80 is: 69,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.86 : 119,244.96 = 50,608.80 : x
  2. Step 2: Convert to fraction form
    86,431.86/119,244.96 = 50,608.80/x
  3. Step 3: Cross multiply
    86,431.86x = 119,244.96 × 50,608.80
  4. Step 4: Simplify right side
    86,431.86x = 6,034,844,331.65
  5. Step 5: Solve for x
    x = 6,034,844,331.65/86,431.86
  6. Step 6: Final answer
    x = 69,821.99

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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.