Home / 102,583.51-154,145.87-55,233.61

Finding the Fourth Proportional to 102,583.51, 154,145.87 and 55,233.61

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Solution

The fourth proportional to 102,583.51, 154,145.87 and 55,233.61 is: 82,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.51 : 154,145.87 = 55,233.61 : x
  2. Step 2: Convert to fraction form
    102,583.51/154,145.87 = 55,233.61/x
  3. Step 3: Cross multiply
    102,583.51x = 154,145.87 × 55,233.61
  4. Step 4: Simplify right side
    102,583.51x = 8,514,033,004.77
  5. Step 5: Solve for x
    x = 8,514,033,004.77/102,583.51
  6. Step 6: Final answer
    x = 82,996.12

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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.