Home / 53,409.54-80,061.93-29,728.38

Finding the Fourth Proportional to 53,409.54, 80,061.93 and 29,728.38

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Solution

The fourth proportional to 53,409.54, 80,061.93 and 29,728.38 is: 44,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.54 : 80,061.93 = 29,728.38 : x
  2. Step 2: Convert to fraction form
    53,409.54/80,061.93 = 29,728.38/x
  3. Step 3: Cross multiply
    53,409.54x = 80,061.93 × 29,728.38
  4. Step 4: Simplify right side
    53,409.54x = 2,380,111,478.57
  5. Step 5: Solve for x
    x = 2,380,111,478.57/53,409.54
  6. Step 6: Final answer
    x = 44,563.41

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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.