Home / 55,517.06-76,623.22-53,671.74

Finding the Fourth Proportional to 55,517.06, 76,623.22 and 53,671.74

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Solution

The fourth proportional to 55,517.06, 76,623.22 and 53,671.74 is: 74,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.06 : 76,623.22 = 53,671.74 : x
  2. Step 2: Convert to fraction form
    55,517.06/76,623.22 = 53,671.74/x
  3. Step 3: Cross multiply
    55,517.06x = 76,623.22 × 53,671.74
  4. Step 4: Simplify right side
    55,517.06x = 4,112,501,541.80
  5. Step 5: Solve for x
    x = 4,112,501,541.80/55,517.06
  6. Step 6: Final answer
    x = 74,076.36

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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.