Home / 104,986.45-157,433.50-38,409.31

Finding the Fourth Proportional to 104,986.45, 157,433.50 and 38,409.31

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Solution

The fourth proportional to 104,986.45, 157,433.50 and 38,409.31 is: 57,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,986.45 : 157,433.50 = 38,409.31 : x
  2. Step 2: Convert to fraction form
    104,986.45/157,433.50 = 38,409.31/x
  3. Step 3: Cross multiply
    104,986.45x = 157,433.50 × 38,409.31
  4. Step 4: Simplify right side
    104,986.45x = 6,046,912,105.89
  5. Step 5: Solve for x
    x = 6,046,912,105.89/104,986.45
  6. Step 6: Final answer
    x = 57,597.07

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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.