Home / 43,782.78-60,416.64-25,878.54

Finding the Fourth Proportional to 43,782.78, 60,416.64 and 25,878.54

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Solution

The fourth proportional to 43,782.78, 60,416.64 and 25,878.54 is: 35,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.78 : 60,416.64 = 25,878.54 : x
  2. Step 2: Convert to fraction form
    43,782.78/60,416.64 = 25,878.54/x
  3. Step 3: Cross multiply
    43,782.78x = 60,416.64 × 25,878.54
  4. Step 4: Simplify right side
    43,782.78x = 1,563,494,434.91
  5. Step 5: Solve for x
    x = 1,563,494,434.91/43,782.78
  6. Step 6: Final answer
    x = 35,710.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.