Home / 75,763.62-113,678.21-40,662.27

Finding the Fourth Proportional to 75,763.62, 113,678.21 and 40,662.27

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Solution

The fourth proportional to 75,763.62, 113,678.21 and 40,662.27 is: 61,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,763.62 : 113,678.21 = 40,662.27 : x
  2. Step 2: Convert to fraction form
    75,763.62/113,678.21 = 40,662.27/x
  3. Step 3: Cross multiply
    75,763.62x = 113,678.21 × 40,662.27
  4. Step 4: Simplify right side
    75,763.62x = 4,622,413,864.83
  5. Step 5: Solve for x
    x = 4,622,413,864.83/75,763.62
  6. Step 6: Final answer
    x = 61,011.00

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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.