Home / 102,072.88-153,112.74-35,518.60

Finding the Fourth Proportional to 102,072.88, 153,112.74 and 35,518.60

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Solution

The fourth proportional to 102,072.88, 153,112.74 and 35,518.60 is: 53,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,072.88 : 153,112.74 = 35,518.60 : x
  2. Step 2: Convert to fraction form
    102,072.88/153,112.74 = 35,518.60/x
  3. Step 3: Cross multiply
    102,072.88x = 153,112.74 × 35,518.60
  4. Step 4: Simplify right side
    102,072.88x = 5,438,350,166.96
  5. Step 5: Solve for x
    x = 5,438,350,166.96/102,072.88
  6. Step 6: Final answer
    x = 53,279.09

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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.