Home / 70,928.10-106,383.51-18,333.18

Finding the Fourth Proportional to 70,928.10, 106,383.51 and 18,333.18

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Solution

The fourth proportional to 70,928.10, 106,383.51 and 18,333.18 is: 27,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928.10 : 106,383.51 = 18,333.18 : x
  2. Step 2: Convert to fraction form
    70,928.10/106,383.51 = 18,333.18/x
  3. Step 3: Cross multiply
    70,928.10x = 106,383.51 × 18,333.18
  4. Step 4: Simplify right side
    70,928.10x = 1,950,348,037.86
  5. Step 5: Solve for x
    x = 1,950,348,037.86/70,928.10
  6. Step 6: Final answer
    x = 27,497.54

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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.