Home / 54,986.10-75,881.70-29,835.60

Finding the Fourth Proportional to 54,986.10, 75,881.70 and 29,835.60

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Solution

The fourth proportional to 54,986.10, 75,881.70 and 29,835.60 is: 41,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.10 : 75,881.70 = 29,835.60 : x
  2. Step 2: Convert to fraction form
    54,986.10/75,881.70 = 29,835.60/x
  3. Step 3: Cross multiply
    54,986.10x = 75,881.70 × 29,835.60
  4. Step 4: Simplify right side
    54,986.10x = 2,263,976,048.52
  5. Step 5: Solve for x
    x = 2,263,976,048.52/54,986.10
  6. Step 6: Final answer
    x = 41,173.61

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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.