Home / 55,079.99-82,623.12-15,634

Finding the Fourth Proportional to 55,079.99, 82,623.12 and 15,634

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Solution

The fourth proportional to 55,079.99, 82,623.12 and 15,634 is: 23,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.99 : 82,623.12 = 15,634 : x
  2. Step 2: Convert to fraction form
    55,079.99/82,623.12 = 15,634/x
  3. Step 3: Cross multiply
    55,079.99x = 82,623.12 × 15,634
  4. Step 4: Simplify right side
    55,079.99x = 1,291,729,858.08
  5. Step 5: Solve for x
    x = 1,291,729,858.08/55,079.99
  6. Step 6: Final answer
    x = 23,451.89

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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.