Home / 53,790.21-80,698.07-34,085.34

Finding the Fourth Proportional to 53,790.21, 80,698.07 and 34,085.34

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Solution

The fourth proportional to 53,790.21, 80,698.07 and 34,085.34 is: 51,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.21 : 80,698.07 = 34,085.34 : x
  2. Step 2: Convert to fraction form
    53,790.21/80,698.07 = 34,085.34/x
  3. Step 3: Cross multiply
    53,790.21x = 80,698.07 × 34,085.34
  4. Step 4: Simplify right side
    53,790.21x = 2,750,621,238.51
  5. Step 5: Solve for x
    x = 2,750,621,238.51/53,790.21
  6. Step 6: Final answer
    x = 51,136.09

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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.