Home / 89,238.21-123,150.36-48,954.03

Finding the Fourth Proportional to 89,238.21, 123,150.36 and 48,954.03

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Solution

The fourth proportional to 89,238.21, 123,150.36 and 48,954.03 is: 67,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,238.21 : 123,150.36 = 48,954.03 : x
  2. Step 2: Convert to fraction form
    89,238.21/123,150.36 = 48,954.03/x
  3. Step 3: Cross multiply
    89,238.21x = 123,150.36 × 48,954.03
  4. Step 4: Simplify right side
    89,238.21x = 6,028,706,417.95
  5. Step 5: Solve for x
    x = 6,028,706,417.95/89,238.21
  6. Step 6: Final answer
    x = 67,557.46

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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.