Home / 97,769.21-146,669.70-30,285.48

Finding the Fourth Proportional to 97,769.21, 146,669.70 and 30,285.48

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Solution

The fourth proportional to 97,769.21, 146,669.70 and 30,285.48 is: 45,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.21 : 146,669.70 = 30,285.48 : x
  2. Step 2: Convert to fraction form
    97,769.21/146,669.70 = 30,285.48/x
  3. Step 3: Cross multiply
    97,769.21x = 146,669.70 × 30,285.48
  4. Step 4: Simplify right side
    97,769.21x = 4,441,962,265.96
  5. Step 5: Solve for x
    x = 4,441,962,265.96/97,769.21
  6. Step 6: Final answer
    x = 45,433.14

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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.