Home / 88,570.44-132,743.34-87,633

Finding the Fourth Proportional to 88,570.44, 132,743.34 and 87,633

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Solution

The fourth proportional to 88,570.44, 132,743.34 and 87,633 is: 131,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.44 : 132,743.34 = 87,633 : x
  2. Step 2: Convert to fraction form
    88,570.44/132,743.34 = 87,633/x
  3. Step 3: Cross multiply
    88,570.44x = 132,743.34 × 87,633
  4. Step 4: Simplify right side
    88,570.44x = 11,632,697,114.22
  5. Step 5: Solve for x
    x = 11,632,697,114.22/88,570.44
  6. Step 6: Final answer
    x = 131,338.37

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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.