Home / 102,903.48-154,353.33-28,022.49

Finding the Fourth Proportional to 102,903.48, 154,353.33 and 28,022.49

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Solution

The fourth proportional to 102,903.48, 154,353.33 and 28,022.49 is: 42,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,903.48 : 154,353.33 = 28,022.49 : x
  2. Step 2: Convert to fraction form
    102,903.48/154,353.33 = 28,022.49/x
  3. Step 3: Cross multiply
    102,903.48x = 154,353.33 × 28,022.49
  4. Step 4: Simplify right side
    102,903.48x = 4,325,364,646.39
  5. Step 5: Solve for x
    x = 4,325,364,646.39/102,903.48
  6. Step 6: Final answer
    x = 42,033.22

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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.