Home / 55,267.06-76,268.64-30,116.56

Finding the Fourth Proportional to 55,267.06, 76,268.64 and 30,116.56

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Solution

The fourth proportional to 55,267.06, 76,268.64 and 30,116.56 is: 41,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,267.06 : 76,268.64 = 30,116.56 : x
  2. Step 2: Convert to fraction form
    55,267.06/76,268.64 = 30,116.56/x
  3. Step 3: Cross multiply
    55,267.06x = 76,268.64 × 30,116.56
  4. Step 4: Simplify right side
    55,267.06x = 2,296,949,072.68
  5. Step 5: Solve for x
    x = 2,296,949,072.68/55,267.06
  6. Step 6: Final answer
    x = 41,560.91

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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.