Home / 55,136.13-82,699.26-17,686.02

Finding the Fourth Proportional to 55,136.13, 82,699.26 and 17,686.02

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Solution

The fourth proportional to 55,136.13, 82,699.26 and 17,686.02 is: 26,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.13 : 82,699.26 = 17,686.02 : x
  2. Step 2: Convert to fraction form
    55,136.13/82,699.26 = 17,686.02/x
  3. Step 3: Cross multiply
    55,136.13x = 82,699.26 × 17,686.02
  4. Step 4: Simplify right side
    55,136.13x = 1,462,620,766.35
  5. Step 5: Solve for x
    x = 1,462,620,766.35/55,136.13
  6. Step 6: Final answer
    x = 26,527.45

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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.