Home / 76,268.59-114,401.67-23,678.12

Finding the Fourth Proportional to 76,268.59, 114,401.67 and 23,678.12

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Solution

The fourth proportional to 76,268.59, 114,401.67 and 23,678.12 is: 35,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.59 : 114,401.67 = 23,678.12 : x
  2. Step 2: Convert to fraction form
    76,268.59/114,401.67 = 23,678.12/x
  3. Step 3: Cross multiply
    76,268.59x = 114,401.67 × 23,678.12
  4. Step 4: Simplify right side
    76,268.59x = 2,708,816,667.67
  5. Step 5: Solve for x
    x = 2,708,816,667.67/76,268.59
  6. Step 6: Final answer
    x = 35,516.81

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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.