Home / 102,913.20-154,381.80-32,799.60

Finding the Fourth Proportional to 102,913.20, 154,381.80 and 32,799.60

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Solution

The fourth proportional to 102,913.20, 154,381.80 and 32,799.60 is: 49,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.20 : 154,381.80 = 32,799.60 : x
  2. Step 2: Convert to fraction form
    102,913.20/154,381.80 = 32,799.60/x
  3. Step 3: Cross multiply
    102,913.20x = 154,381.80 × 32,799.60
  4. Step 4: Simplify right side
    102,913.20x = 5,063,661,287.28
  5. Step 5: Solve for x
    x = 5,063,661,287.28/102,913.20
  6. Step 6: Final answer
    x = 49,203.22

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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.