Home / 115,106.57-172,683.26-48,546.93

Finding the Fourth Proportional to 115,106.57, 172,683.26 and 48,546.93

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Solution

The fourth proportional to 115,106.57, 172,683.26 and 48,546.93 is: 72,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,106.57 : 172,683.26 = 48,546.93 : x
  2. Step 2: Convert to fraction form
    115,106.57/172,683.26 = 48,546.93/x
  3. Step 3: Cross multiply
    115,106.57x = 172,683.26 × 48,546.93
  4. Step 4: Simplify right side
    115,106.57x = 8,383,242,135.39
  5. Step 5: Solve for x
    x = 8,383,242,135.39/115,106.57
  6. Step 6: Final answer
    x = 72,830.27

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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.