Home / 55,606.20-83,409.30-51,286.20

Finding the Fourth Proportional to 55,606.20, 83,409.30 and 51,286.20

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Solution

The fourth proportional to 55,606.20, 83,409.30 and 51,286.20 is: 76,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.20 : 83,409.30 = 51,286.20 : x
  2. Step 2: Convert to fraction form
    55,606.20/83,409.30 = 51,286.20/x
  3. Step 3: Cross multiply
    55,606.20x = 83,409.30 × 51,286.20
  4. Step 4: Simplify right side
    55,606.20x = 4,277,746,041.66
  5. Step 5: Solve for x
    x = 4,277,746,041.66/55,606.20
  6. Step 6: Final answer
    x = 76,929.30

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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.