Home / 106,427.37-159,594.77-30,509.19

Finding the Fourth Proportional to 106,427.37, 159,594.77 and 30,509.19

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Solution

The fourth proportional to 106,427.37, 159,594.77 and 30,509.19 is: 45,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.37 : 159,594.77 = 30,509.19 : x
  2. Step 2: Convert to fraction form
    106,427.37/159,594.77 = 30,509.19/x
  3. Step 3: Cross multiply
    106,427.37x = 159,594.77 × 30,509.19
  4. Step 4: Simplify right side
    106,427.37x = 4,869,107,160.94
  5. Step 5: Solve for x
    x = 4,869,107,160.94/106,427.37
  6. Step 6: Final answer
    x = 45,750.52

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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.