Home / 54,971.76-75,860.96-29,821.28

Finding the Fourth Proportional to 54,971.76, 75,860.96 and 29,821.28

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Solution

The fourth proportional to 54,971.76, 75,860.96 and 29,821.28 is: 41,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.76 : 75,860.96 = 29,821.28 : x
  2. Step 2: Convert to fraction form
    54,971.76/75,860.96 = 29,821.28/x
  3. Step 3: Cross multiply
    54,971.76x = 75,860.96 × 29,821.28
  4. Step 4: Simplify right side
    54,971.76x = 2,262,270,929.23
  5. Step 5: Solve for x
    x = 2,262,270,929.23/54,971.76
  6. Step 6: Final answer
    x = 41,153.33

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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.