Home / 75,628.80-104,371.20-42,096.96

Finding the Fourth Proportional to 75,628.80, 104,371.20 and 42,096.96

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Solution

The fourth proportional to 75,628.80, 104,371.20 and 42,096.96 is: 58,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.80 : 104,371.20 = 42,096.96 : x
  2. Step 2: Convert to fraction form
    75,628.80/104,371.20 = 42,096.96/x
  3. Step 3: Cross multiply
    75,628.80x = 104,371.20 × 42,096.96
  4. Step 4: Simplify right side
    75,628.80x = 4,393,710,231.55
  5. Step 5: Solve for x
    x = 4,393,710,231.55/75,628.80
  6. Step 6: Final answer
    x = 58,095.73

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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.