Home / 54,669.70-75,443.07-30,796.30

Finding the Fourth Proportional to 54,669.70, 75,443.07 and 30,796.30

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Solution

The fourth proportional to 54,669.70, 75,443.07 and 30,796.30 is: 42,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.70 : 75,443.07 = 30,796.30 : x
  2. Step 2: Convert to fraction form
    54,669.70/75,443.07 = 30,796.30/x
  3. Step 3: Cross multiply
    54,669.70x = 75,443.07 × 30,796.30
  4. Step 4: Simplify right side
    54,669.70x = 2,323,367,416.64
  5. Step 5: Solve for x
    x = 2,323,367,416.64/54,669.70
  6. Step 6: Final answer
    x = 42,498.27

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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.