Home / 116,665.46-174,998.74-40,763.69

Finding the Fourth Proportional to 116,665.46, 174,998.74 and 40,763.69

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Solution

The fourth proportional to 116,665.46, 174,998.74 and 40,763.69 is: 61,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,665.46 : 174,998.74 = 40,763.69 : x
  2. Step 2: Convert to fraction form
    116,665.46/174,998.74 = 40,763.69/x
  3. Step 3: Cross multiply
    116,665.46x = 174,998.74 × 40,763.69
  4. Step 4: Simplify right side
    116,665.46x = 7,133,593,410.85
  5. Step 5: Solve for x
    x = 7,133,593,410.85/116,665.46
  6. Step 6: Final answer
    x = 61,145.72

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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.