Home / 80,389.23-110,939.73-44,582.58

Finding the Fourth Proportional to 80,389.23, 110,939.73 and 44,582.58

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Solution

The fourth proportional to 80,389.23, 110,939.73 and 44,582.58 is: 61,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,389.23 : 110,939.73 = 44,582.58 : x
  2. Step 2: Convert to fraction form
    80,389.23/110,939.73 = 44,582.58/x
  3. Step 3: Cross multiply
    80,389.23x = 110,939.73 × 44,582.58
  4. Step 4: Simplify right side
    80,389.23x = 4,945,979,387.90
  5. Step 5: Solve for x
    x = 4,945,979,387.90/80,389.23
  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.