Home / 53,868.65-80,802.99-25,782.09

Finding the Fourth Proportional to 53,868.65, 80,802.99 and 25,782.09

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Solution

The fourth proportional to 53,868.65, 80,802.99 and 25,782.09 is: 38,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.65 : 80,802.99 = 25,782.09 : x
  2. Step 2: Convert to fraction form
    53,868.65/80,802.99 = 25,782.09/x
  3. Step 3: Cross multiply
    53,868.65x = 80,802.99 × 25,782.09
  4. Step 4: Simplify right side
    53,868.65x = 2,083,269,960.45
  5. Step 5: Solve for x
    x = 2,083,269,960.45/53,868.65
  6. Step 6: Final answer
    x = 38,673.15

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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.