Home / 82,939.82-124,302.16-47,346.39

Finding the Fourth Proportional to 82,939.82, 124,302.16 and 47,346.39

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Solution

The fourth proportional to 82,939.82, 124,302.16 and 47,346.39 is: 70,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.82 : 124,302.16 = 47,346.39 : x
  2. Step 2: Convert to fraction form
    82,939.82/124,302.16 = 47,346.39/x
  3. Step 3: Cross multiply
    82,939.82x = 124,302.16 × 47,346.39
  4. Step 4: Simplify right side
    82,939.82x = 5,885,258,604.39
  5. Step 5: Solve for x
    x = 5,885,258,604.39/82,939.82
  6. Step 6: Final answer
    x = 70,958.18

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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.