Home / 102,513.20-153,755.40-32,399.60

Finding the Fourth Proportional to 102,513.20, 153,755.40 and 32,399.60

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Solution

The fourth proportional to 102,513.20, 153,755.40 and 32,399.60 is: 48,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,513.20 : 153,755.40 = 32,399.60 : x
  2. Step 2: Convert to fraction form
    102,513.20/153,755.40 = 32,399.60/x
  3. Step 3: Cross multiply
    102,513.20x = 153,755.40 × 32,399.60
  4. Step 4: Simplify right side
    102,513.20x = 4,981,613,457.84
  5. Step 5: Solve for x
    x = 4,981,613,457.84/102,513.20
  6. Step 6: Final answer
    x = 48,594.85

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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.