Home / 54,558.90-81,706.93-36,975.42

Finding the Fourth Proportional to 54,558.90, 81,706.93 and 36,975.42

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Solution

The fourth proportional to 54,558.90, 81,706.93 and 36,975.42 is: 55,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.90 : 81,706.93 = 36,975.42 : x
  2. Step 2: Convert to fraction form
    54,558.90/81,706.93 = 36,975.42/x
  3. Step 3: Cross multiply
    54,558.90x = 81,706.93 × 36,975.42
  4. Step 4: Simplify right side
    54,558.90x = 3,021,147,961.22
  5. Step 5: Solve for x
    x = 3,021,147,961.22/54,558.90
  6. Step 6: Final answer
    x = 55,374.06

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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.