Home / 101,975.75-152,947.80-52,092.71

Finding the Fourth Proportional to 101,975.75, 152,947.80 and 52,092.71

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Solution

The fourth proportional to 101,975.75, 152,947.80 and 52,092.71 is: 78,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,975.75 : 152,947.80 = 52,092.71 : x
  2. Step 2: Convert to fraction form
    101,975.75/152,947.80 = 52,092.71/x
  3. Step 3: Cross multiply
    101,975.75x = 152,947.80 × 52,092.71
  4. Step 4: Simplify right side
    101,975.75x = 7,967,464,625.80
  5. Step 5: Solve for x
    x = 7,967,464,625.80/101,975.75
  6. Step 6: Final answer
    x = 78,130.98

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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.