Home / 97,355.81-146,039.03-30,790.97

Finding the Fourth Proportional to 97,355.81, 146,039.03 and 30,790.97

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Solution

The fourth proportional to 97,355.81, 146,039.03 and 30,790.97 is: 46,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,355.81 : 146,039.03 = 30,790.97 : x
  2. Step 2: Convert to fraction form
    97,355.81/146,039.03 = 30,790.97/x
  3. Step 3: Cross multiply
    97,355.81x = 146,039.03 × 30,790.97
  4. Step 4: Simplify right side
    97,355.81x = 4,496,683,391.56
  5. Step 5: Solve for x
    x = 4,496,683,391.56/97,355.81
  6. Step 6: Final answer
    x = 46,188.14

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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.