Home / 66,111.08-91,233.96-35,896.68

Finding the Fourth Proportional to 66,111.08, 91,233.96 and 35,896.68

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Solution

The fourth proportional to 66,111.08, 91,233.96 and 35,896.68 is: 49,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,111.08 : 91,233.96 = 35,896.68 : x
  2. Step 2: Convert to fraction form
    66,111.08/91,233.96 = 35,896.68/x
  3. Step 3: Cross multiply
    66,111.08x = 91,233.96 × 35,896.68
  4. Step 4: Simplify right side
    66,111.08x = 3,274,996,267.25
  5. Step 5: Solve for x
    x = 3,274,996,267.25/66,111.08
  6. Step 6: Final answer
    x = 49,537.78

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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.