Home / 55,722.08-76,896.18-30,228.41

Finding the Fourth Proportional to 55,722.08, 76,896.18 and 30,228.41

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Solution

The fourth proportional to 55,722.08, 76,896.18 and 30,228.41 is: 41,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.08 : 76,896.18 = 30,228.41 : x
  2. Step 2: Convert to fraction form
    55,722.08/76,896.18 = 30,228.41/x
  3. Step 3: Cross multiply
    55,722.08x = 76,896.18 × 30,228.41
  4. Step 4: Simplify right side
    55,722.08x = 2,324,448,871.99
  5. Step 5: Solve for x
    x = 2,324,448,871.99/55,722.08
  6. Step 6: Final answer
    x = 41,715.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.