Home / 54,611.74-81,917.54-17,175.10

Finding the Fourth Proportional to 54,611.74, 81,917.54 and 17,175.10

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Solution

The fourth proportional to 54,611.74, 81,917.54 and 17,175.10 is: 25,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,611.74 : 81,917.54 = 17,175.10 : x
  2. Step 2: Convert to fraction form
    54,611.74/81,917.54 = 17,175.10/x
  3. Step 3: Cross multiply
    54,611.74x = 81,917.54 × 17,175.10
  4. Step 4: Simplify right side
    54,611.74x = 1,406,941,941.25
  5. Step 5: Solve for x
    x = 1,406,941,941.25/54,611.74
  6. Step 6: Final answer
    x = 25,762.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.