Home / 115,022.36-172,576.37-51,823.53

Finding the Fourth Proportional to 115,022.36, 172,576.37 and 51,823.53

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Solution

The fourth proportional to 115,022.36, 172,576.37 and 51,823.53 is: 77,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.36 : 172,576.37 = 51,823.53 : x
  2. Step 2: Convert to fraction form
    115,022.36/172,576.37 = 51,823.53/x
  3. Step 3: Cross multiply
    115,022.36x = 172,576.37 × 51,823.53
  4. Step 4: Simplify right side
    115,022.36x = 8,943,516,817.54
  5. Step 5: Solve for x
    x = 8,943,516,817.54/115,022.36
  6. Step 6: Final answer
    x = 77,754.59

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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.