Home / 45,579.78-62,903.25-25,440.59

Finding the Fourth Proportional to 45,579.78, 62,903.25 and 25,440.59

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Solution

The fourth proportional to 45,579.78, 62,903.25 and 25,440.59 is: 35,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.78 : 62,903.25 = 25,440.59 : x
  2. Step 2: Convert to fraction form
    45,579.78/62,903.25 = 25,440.59/x
  3. Step 3: Cross multiply
    45,579.78x = 62,903.25 × 25,440.59
  4. Step 4: Simplify right side
    45,579.78x = 1,600,295,596.34
  5. Step 5: Solve for x
    x = 1,600,295,596.34/45,579.78
  6. Step 6: Final answer
    x = 35,109.77

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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.