Home / 97,564.80-146,331.92-30,996.20

Finding the Fourth Proportional to 97,564.80, 146,331.92 and 30,996.20

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Solution

The fourth proportional to 97,564.80, 146,331.92 and 30,996.20 is: 46,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,564.80 : 146,331.92 = 30,996.20 : x
  2. Step 2: Convert to fraction form
    97,564.80/146,331.92 = 30,996.20/x
  3. Step 3: Cross multiply
    97,564.80x = 146,331.92 × 30,996.20
  4. Step 4: Simplify right side
    97,564.80x = 4,535,733,458.70
  5. Step 5: Solve for x
    x = 4,535,733,458.70/97,564.80
  6. Step 6: Final answer
    x = 46,489.45

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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.