Home / 102,556.07-153,902.75-35,996.51

Finding the Fourth Proportional to 102,556.07, 153,902.75 and 35,996.51

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Solution

The fourth proportional to 102,556.07, 153,902.75 and 35,996.51 is: 54,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,556.07 : 153,902.75 = 35,996.51 : x
  2. Step 2: Convert to fraction form
    102,556.07/153,902.75 = 35,996.51/x
  3. Step 3: Cross multiply
    102,556.07x = 153,902.75 × 35,996.51
  4. Step 4: Simplify right side
    102,556.07x = 5,539,961,699.42
  5. Step 5: Solve for x
    x = 5,539,961,699.42/102,556.07
  6. Step 6: Final answer
    x = 54,018.86

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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.