Home / 55,541.90-76,648.88-31,674.44

Finding the Fourth Proportional to 55,541.90, 76,648.88 and 31,674.44

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Solution

The fourth proportional to 55,541.90, 76,648.88 and 31,674.44 is: 43,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.90 : 76,648.88 = 31,674.44 : x
  2. Step 2: Convert to fraction form
    55,541.90/76,648.88 = 31,674.44/x
  3. Step 3: Cross multiply
    55,541.90x = 76,648.88 × 31,674.44
  4. Step 4: Simplify right side
    55,541.90x = 2,427,810,621.44
  5. Step 5: Solve for x
    x = 2,427,810,621.44/55,541.90
  6. Step 6: Final answer
    x = 43,711.33

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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.