Home / 88,431.36-132,660-26,093.76

Finding the Fourth Proportional to 88,431.36, 132,660 and 26,093.76

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Solution

The fourth proportional to 88,431.36, 132,660 and 26,093.76 is: 39,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.36 : 132,660 = 26,093.76 : x
  2. Step 2: Convert to fraction form
    88,431.36/132,660 = 26,093.76/x
  3. Step 3: Cross multiply
    88,431.36x = 132,660 × 26,093.76
  4. Step 4: Simplify right side
    88,431.36x = 3,461,598,201.60
  5. Step 5: Solve for x
    x = 3,461,598,201.60/88,431.36
  6. Step 6: Final answer
    x = 39,144.46

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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.