Home / 55,110.78-82,635.93-25,512.30

Finding the Fourth Proportional to 55,110.78, 82,635.93 and 25,512.30

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Solution

The fourth proportional to 55,110.78, 82,635.93 and 25,512.30 is: 38,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.78 : 82,635.93 = 25,512.30 : x
  2. Step 2: Convert to fraction form
    55,110.78/82,635.93 = 25,512.30/x
  3. Step 3: Cross multiply
    55,110.78x = 82,635.93 × 25,512.30
  4. Step 4: Simplify right side
    55,110.78x = 2,108,232,636.94
  5. Step 5: Solve for x
    x = 2,108,232,636.94/55,110.78
  6. Step 6: Final answer
    x = 38,254.45

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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.