Home / 55,090.53-82,635.80-13,537.53

Finding the Fourth Proportional to 55,090.53, 82,635.80 and 13,537.53

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Solution

The fourth proportional to 55,090.53, 82,635.80 and 13,537.53 is: 20,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.53 : 82,635.80 = 13,537.53 : x
  2. Step 2: Convert to fraction form
    55,090.53/82,635.80 = 13,537.53/x
  3. Step 3: Cross multiply
    55,090.53x = 82,635.80 × 13,537.53
  4. Step 4: Simplify right side
    55,090.53x = 1,118,684,553.89
  5. Step 5: Solve for x
    x = 1,118,684,553.89/55,090.53
  6. Step 6: Final answer
    x = 20,306.30

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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.