Home / 98,050.20-146,970-38,803.56

Finding the Fourth Proportional to 98,050.20, 146,970 and 38,803.56

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Solution

The fourth proportional to 98,050.20, 146,970 and 38,803.56 is: 58,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050.20 : 146,970 = 38,803.56 : x
  2. Step 2: Convert to fraction form
    98,050.20/146,970 = 38,803.56/x
  3. Step 3: Cross multiply
    98,050.20x = 146,970 × 38,803.56
  4. Step 4: Simplify right side
    98,050.20x = 5,702,959,213.20
  5. Step 5: Solve for x
    x = 5,702,959,213.20/98,050.20
  6. Step 6: Final answer
    x = 58,163.67

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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.