Home / 92,849.09-128,131.38-50,407.61

Finding the Fourth Proportional to 92,849.09, 128,131.38 and 50,407.61

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Solution

The fourth proportional to 92,849.09, 128,131.38 and 50,407.61 is: 69,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.09 : 128,131.38 = 50,407.61 : x
  2. Step 2: Convert to fraction form
    92,849.09/128,131.38 = 50,407.61/x
  3. Step 3: Cross multiply
    92,849.09x = 128,131.38 × 50,407.61
  4. Step 4: Simplify right side
    92,849.09x = 6,458,795,991.14
  5. Step 5: Solve for x
    x = 6,458,795,991.14/92,849.09
  6. Step 6: Final answer
    x = 69,562.30

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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.