Home / 205,835.31-308,709.76-58,056.75

Finding the Fourth Proportional to 205,835.31, 308,709.76 and 58,056.75

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Solution

The fourth proportional to 205,835.31, 308,709.76 and 58,056.75 is: 87,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,835.31 : 308,709.76 = 58,056.75 : x
  2. Step 2: Convert to fraction form
    205,835.31/308,709.76 = 58,056.75/x
  3. Step 3: Cross multiply
    205,835.31x = 308,709.76 × 58,056.75
  4. Step 4: Simplify right side
    205,835.31x = 17,922,685,358.88
  5. Step 5: Solve for x
    x = 17,922,685,358.88/205,835.31
  6. Step 6: Final answer
    x = 87,072.94

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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.