Home / 55,664.34-83,479.16-18,216.06

Finding the Fourth Proportional to 55,664.34, 83,479.16 and 18,216.06

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Solution

The fourth proportional to 55,664.34, 83,479.16 and 18,216.06 is: 27,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.34 : 83,479.16 = 18,216.06 : x
  2. Step 2: Convert to fraction form
    55,664.34/83,479.16 = 18,216.06/x
  3. Step 3: Cross multiply
    55,664.34x = 83,479.16 × 18,216.06
  4. Step 4: Simplify right side
    55,664.34x = 1,520,661,296.23
  5. Step 5: Solve for x
    x = 1,520,661,296.23/55,664.34
  6. Step 6: Final answer
    x = 27,318.41

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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.