Home / 55,250.14-76,236.66-31,046.32

Finding the Fourth Proportional to 55,250.14, 76,236.66 and 31,046.32

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Solution

The fourth proportional to 55,250.14, 76,236.66 and 31,046.32 is: 42,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.14 : 76,236.66 = 31,046.32 : x
  2. Step 2: Convert to fraction form
    55,250.14/76,236.66 = 31,046.32/x
  3. Step 3: Cross multiply
    55,250.14x = 76,236.66 × 31,046.32
  4. Step 4: Simplify right side
    55,250.14x = 2,366,867,742.09
  5. Step 5: Solve for x
    x = 2,366,867,742.09/55,250.14
  6. Step 6: Final answer
    x = 42,839.13

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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.