Home / 55,256.30-82,786.85-53,429.10

Finding the Fourth Proportional to 55,256.30, 82,786.85 and 53,429.10

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Solution

The fourth proportional to 55,256.30, 82,786.85 and 53,429.10 is: 80,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.30 : 82,786.85 = 53,429.10 : x
  2. Step 2: Convert to fraction form
    55,256.30/82,786.85 = 53,429.10/x
  3. Step 3: Cross multiply
    55,256.30x = 82,786.85 × 53,429.10
  4. Step 4: Simplify right side
    55,256.30x = 4,423,226,887.34
  5. Step 5: Solve for x
    x = 4,423,226,887.34/55,256.30
  6. Step 6: Final answer
    x = 80,049.28

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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.