Home / 102,138.80-153,208.38-32,023.58

Finding the Fourth Proportional to 102,138.80, 153,208.38 and 32,023.58

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Solution

The fourth proportional to 102,138.80, 153,208.38 and 32,023.58 is: 48,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,138.80 : 153,208.38 = 32,023.58 : x
  2. Step 2: Convert to fraction form
    102,138.80/153,208.38 = 32,023.58/x
  3. Step 3: Cross multiply
    102,138.80x = 153,208.38 × 32,023.58
  4. Step 4: Simplify right side
    102,138.80x = 4,906,280,813.60
  5. Step 5: Solve for x
    x = 4,906,280,813.60/102,138.80
  6. Step 6: Final answer
    x = 48,035.43

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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.