Home / 55,489.35-76,570.02-31,615.41

Finding the Fourth Proportional to 55,489.35, 76,570.02 and 31,615.41

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Solution

The fourth proportional to 55,489.35, 76,570.02 and 31,615.41 is: 43,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.35 : 76,570.02 = 31,615.41 : x
  2. Step 2: Convert to fraction form
    55,489.35/76,570.02 = 31,615.41/x
  3. Step 3: Cross multiply
    55,489.35x = 76,570.02 × 31,615.41
  4. Step 4: Simplify right side
    55,489.35x = 2,420,792,576.01
  5. Step 5: Solve for x
    x = 2,420,792,576.01/55,489.35
  6. Step 6: Final answer
    x = 43,626.26

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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.