Home / 55,173.95-82,761.69-15,731.06

Finding the Fourth Proportional to 55,173.95, 82,761.69 and 15,731.06

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Solution

The fourth proportional to 55,173.95, 82,761.69 and 15,731.06 is: 23,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.95 : 82,761.69 = 15,731.06 : x
  2. Step 2: Convert to fraction form
    55,173.95/82,761.69 = 15,731.06/x
  3. Step 3: Cross multiply
    55,173.95x = 82,761.69 × 15,731.06
  4. Step 4: Simplify right side
    55,173.95x = 1,301,929,281.44
  5. Step 5: Solve for x
    x = 1,301,929,281.44/55,173.95
  6. Step 6: Final answer
    x = 23,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.