Home / 80,389.22-110,939.72-44,582.58

Finding the Fourth Proportional to 80,389.22, 110,939.72 and 44,582.58

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Solution

The fourth proportional to 80,389.22, 110,939.72 and 44,582.58 is: 61,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,389.22 : 110,939.72 = 44,582.58 : x
  2. Step 2: Convert to fraction form
    80,389.22/110,939.72 = 44,582.58/x
  3. Step 3: Cross multiply
    80,389.22x = 110,939.72 × 44,582.58
  4. Step 4: Simplify right side
    80,389.22x = 4,945,978,719.16
  5. Step 5: Solve for x
    x = 4,945,978,719.16/80,389.22
  6. Step 6: Final answer
    x = 61,525.40

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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.