Home / 65,623.87-90,552.62-41,415.80

Finding the Fourth Proportional to 65,623.87, 90,552.62 and 41,415.80

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Solution

The fourth proportional to 65,623.87, 90,552.62 and 41,415.80 is: 57,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.87 : 90,552.62 = 41,415.80 : x
  2. Step 2: Convert to fraction form
    65,623.87/90,552.62 = 41,415.80/x
  3. Step 3: Cross multiply
    65,623.87x = 90,552.62 × 41,415.80
  4. Step 4: Simplify right side
    65,623.87x = 3,750,308,992.32
  5. Step 5: Solve for x
    x = 3,750,308,992.32/65,623.87
  6. Step 6: Final answer
    x = 57,148.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.