Home / 55,608.72-76,745.51-31,738.96

Finding the Fourth Proportional to 55,608.72, 76,745.51 and 31,738.96

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Solution

The fourth proportional to 55,608.72, 76,745.51 and 31,738.96 is: 43,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.72 : 76,745.51 = 31,738.96 : x
  2. Step 2: Convert to fraction form
    55,608.72/76,745.51 = 31,738.96/x
  3. Step 3: Cross multiply
    55,608.72x = 76,745.51 × 31,738.96
  4. Step 4: Simplify right side
    55,608.72x = 2,435,822,672.07
  5. Step 5: Solve for x
    x = 2,435,822,672.07/55,608.72
  6. Step 6: Final answer
    x = 43,802.89

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1.5x scale

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.