Home / 97,861.57-146,556.79-55,638.34

Finding the Fourth Proportional to 97,861.57, 146,556.79 and 55,638.34

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Solution

The fourth proportional to 97,861.57, 146,556.79 and 55,638.34 is: 83,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,861.57 : 146,556.79 = 55,638.34 : x
  2. Step 2: Convert to fraction form
    97,861.57/146,556.79 = 55,638.34/x
  3. Step 3: Cross multiply
    97,861.57x = 146,556.79 × 55,638.34
  4. Step 4: Simplify right side
    97,861.57x = 8,154,177,143.19
  5. Step 5: Solve for x
    x = 8,154,177,143.19/97,861.57
  6. Step 6: Final answer
    x = 83,323.59

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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.