Home / 101,971.36-152,927.88-52,020.28

Finding the Fourth Proportional to 101,971.36, 152,927.88 and 52,020.28

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Solution

The fourth proportional to 101,971.36, 152,927.88 and 52,020.28 is: 78,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971.36 : 152,927.88 = 52,020.28 : x
  2. Step 2: Convert to fraction form
    101,971.36/152,927.88 = 52,020.28/x
  3. Step 3: Cross multiply
    101,971.36x = 152,927.88 × 52,020.28
  4. Step 4: Simplify right side
    101,971.36x = 7,955,351,137.41
  5. Step 5: Solve for x
    x = 7,955,351,137.41/101,971.36
  6. Step 6: Final answer
    x = 78,015.54

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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.