Home / 97,679.52-146,541.38-31,123.44

Finding the Fourth Proportional to 97,679.52, 146,541.38 and 31,123.44

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Solution

The fourth proportional to 97,679.52, 146,541.38 and 31,123.44 is: 46,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,679.52 : 146,541.38 = 31,123.44 : x
  2. Step 2: Convert to fraction form
    97,679.52/146,541.38 = 31,123.44/x
  3. Step 3: Cross multiply
    97,679.52x = 146,541.38 × 31,123.44
  4. Step 4: Simplify right side
    97,679.52x = 4,560,871,692.33
  5. Step 5: Solve for x
    x = 4,560,871,692.33/97,679.52
  6. Step 6: Final answer
    x = 46,692.20

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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.