Home / 67,090.95-100,681.68-27,647.19

Finding the Fourth Proportional to 67,090.95, 100,681.68 and 27,647.19

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Solution

The fourth proportional to 67,090.95, 100,681.68 and 27,647.19 is: 41,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,090.95 : 100,681.68 = 27,647.19 : x
  2. Step 2: Convert to fraction form
    67,090.95/100,681.68 = 27,647.19/x
  3. Step 3: Cross multiply
    67,090.95x = 100,681.68 × 27,647.19
  4. Step 4: Simplify right side
    67,090.95x = 2,783,565,640.16
  5. Step 5: Solve for x
    x = 2,783,565,640.16/67,090.95
  6. Step 6: Final answer
    x = 41,489.44

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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.