Home / 97,692.44-145,660.75-89,351.64

Finding the Fourth Proportional to 97,692.44, 145,660.75 and 89,351.64

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Solution

The fourth proportional to 97,692.44, 145,660.75 and 89,351.64 is: 133,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,692.44 : 145,660.75 = 89,351.64 : x
  2. Step 2: Convert to fraction form
    97,692.44/145,660.75 = 89,351.64/x
  3. Step 3: Cross multiply
    97,692.44x = 145,660.75 × 89,351.64
  4. Step 4: Simplify right side
    97,692.44x = 13,015,026,672.75
  5. Step 5: Solve for x
    x = 13,015,026,672.75/97,692.44
  6. Step 6: Final answer
    x = 133,224.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.