Home / 115,946.40-173,984.40-49,375.20

Finding the Fourth Proportional to 115,946.40, 173,984.40 and 49,375.20

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Solution

The fourth proportional to 115,946.40, 173,984.40 and 49,375.20 is: 74,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,946.40 : 173,984.40 = 49,375.20 : x
  2. Step 2: Convert to fraction form
    115,946.40/173,984.40 = 49,375.20/x
  3. Step 3: Cross multiply
    115,946.40x = 173,984.40 × 49,375.20
  4. Step 4: Simplify right side
    115,946.40x = 8,590,514,546.88
  5. Step 5: Solve for x
    x = 8,590,514,546.88/115,946.40
  6. Step 6: Final answer
    x = 74,090.39

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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.