Home / 55,432.89-76,497.36-29,939.25

Finding the Fourth Proportional to 55,432.89, 76,497.36 and 29,939.25

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Solution

The fourth proportional to 55,432.89, 76,497.36 and 29,939.25 is: 41,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.89 : 76,497.36 = 29,939.25 : x
  2. Step 2: Convert to fraction form
    55,432.89/76,497.36 = 29,939.25/x
  3. Step 3: Cross multiply
    55,432.89x = 76,497.36 × 29,939.25
  4. Step 4: Simplify right side
    55,432.89x = 2,290,273,759.97
  5. Step 5: Solve for x
    x = 2,290,273,759.97/55,432.89
  6. Step 6: Final answer
    x = 41,316.15

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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.