Home / 53,834.16-80,737.26-20,544.36

Finding the Fourth Proportional to 53,834.16, 80,737.26 and 20,544.36

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Solution

The fourth proportional to 53,834.16, 80,737.26 and 20,544.36 is: 30,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.16 : 80,737.26 = 20,544.36 : x
  2. Step 2: Convert to fraction form
    53,834.16/80,737.26 = 20,544.36/x
  3. Step 3: Cross multiply
    53,834.16x = 80,737.26 × 20,544.36
  4. Step 4: Simplify right side
    53,834.16x = 1,658,695,334.85
  5. Step 5: Solve for x
    x = 1,658,695,334.85/53,834.16
  6. Step 6: Final answer
    x = 30,811.20

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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.