Home / 55,220.79-76,207.89-41,584.42

Finding the Fourth Proportional to 55,220.79, 76,207.89 and 41,584.42

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Solution

The fourth proportional to 55,220.79, 76,207.89 and 41,584.42 is: 57,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220.79 : 76,207.89 = 41,584.42 : x
  2. Step 2: Convert to fraction form
    55,220.79/76,207.89 = 41,584.42/x
  3. Step 3: Cross multiply
    55,220.79x = 76,207.89 × 41,584.42
  4. Step 4: Simplify right side
    55,220.79x = 3,169,060,905.07
  5. Step 5: Solve for x
    x = 3,169,060,905.07/55,220.79
  6. Step 6: Final answer
    x = 57,388.91

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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.