Home / 55,078.99-82,621.62-15,633

Finding the Fourth Proportional to 55,078.99, 82,621.62 and 15,633

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Solution

The fourth proportional to 55,078.99, 82,621.62 and 15,633 is: 23,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.99 : 82,621.62 = 15,633 : x
  2. Step 2: Convert to fraction form
    55,078.99/82,621.62 = 15,633/x
  3. Step 3: Cross multiply
    55,078.99x = 82,621.62 × 15,633
  4. Step 4: Simplify right side
    55,078.99x = 1,291,623,785.46
  5. Step 5: Solve for x
    x = 1,291,623,785.46/55,078.99
  6. Step 6: Final answer
    x = 23,450.39

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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.