Home / 54,971.93-75,861.40-29,821.43

Finding the Fourth Proportional to 54,971.93, 75,861.40 and 29,821.43

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Solution

The fourth proportional to 54,971.93, 75,861.40 and 29,821.43 is: 41,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.93 : 75,861.40 = 29,821.43 : x
  2. Step 2: Convert to fraction form
    54,971.93/75,861.40 = 29,821.43/x
  3. Step 3: Cross multiply
    54,971.93x = 75,861.40 × 29,821.43
  4. Step 4: Simplify right side
    54,971.93x = 2,262,295,050.50
  5. Step 5: Solve for x
    x = 2,262,295,050.50/54,971.93
  6. Step 6: Final answer
    x = 41,153.64

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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.