Home / 55,815.44-77,026.14-30,322.31

Finding the Fourth Proportional to 55,815.44, 77,026.14 and 30,322.31

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Solution

The fourth proportional to 55,815.44, 77,026.14 and 30,322.31 is: 41,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.44 : 77,026.14 = 30,322.31 : x
  2. Step 2: Convert to fraction form
    55,815.44/77,026.14 = 30,322.31/x
  3. Step 3: Cross multiply
    55,815.44x = 77,026.14 × 30,322.31
  4. Step 4: Simplify right side
    55,815.44x = 2,335,610,110.05
  5. Step 5: Solve for x
    x = 2,335,610,110.05/55,815.44
  6. Step 6: Final answer
    x = 41,845.24

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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.