Home / 66,954.35-92,399.73-40,091.51

Finding the Fourth Proportional to 66,954.35, 92,399.73 and 40,091.51

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Solution

The fourth proportional to 66,954.35, 92,399.73 and 40,091.51 is: 55,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.35 : 92,399.73 = 40,091.51 : x
  2. Step 2: Convert to fraction form
    66,954.35/92,399.73 = 40,091.51/x
  3. Step 3: Cross multiply
    66,954.35x = 92,399.73 × 40,091.51
  4. Step 4: Simplify right side
    66,954.35x = 3,704,444,699.29
  5. Step 5: Solve for x
    x = 3,704,444,699.29/66,954.35
  6. Step 6: Final answer
    x = 55,327.92

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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.