Home / 51,765.81-77,645.97-16,705.47

Finding the Fourth Proportional to 51,765.81, 77,645.97 and 16,705.47

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Solution

The fourth proportional to 51,765.81, 77,645.97 and 16,705.47 is: 25,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.81 : 77,645.97 = 16,705.47 : x
  2. Step 2: Convert to fraction form
    51,765.81/77,645.97 = 16,705.47/x
  3. Step 3: Cross multiply
    51,765.81x = 77,645.97 × 16,705.47
  4. Step 4: Simplify right side
    51,765.81x = 1,297,112,422.46
  5. Step 5: Solve for x
    x = 1,297,112,422.46/51,765.81
  6. Step 6: Final answer
    x = 25,057.32

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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.