Home / 55,773.09-76,938.35-35,608.79

Finding the Fourth Proportional to 55,773.09, 76,938.35 and 35,608.79

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Solution

The fourth proportional to 55,773.09, 76,938.35 and 35,608.79 is: 49,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.09 : 76,938.35 = 35,608.79 : x
  2. Step 2: Convert to fraction form
    55,773.09/76,938.35 = 35,608.79/x
  3. Step 3: Cross multiply
    55,773.09x = 76,938.35 × 35,608.79
  4. Step 4: Simplify right side
    55,773.09x = 2,739,680,985.36
  5. Step 5: Solve for x
    x = 2,739,680,985.36/55,773.09
  6. Step 6: Final answer
    x = 49,121.91

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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.