Home / 75,976.95-104,851.86-45,771.75

Finding the Fourth Proportional to 75,976.95, 104,851.86 and 45,771.75

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Solution

The fourth proportional to 75,976.95, 104,851.86 and 45,771.75 is: 63,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,976.95 : 104,851.86 = 45,771.75 : x
  2. Step 2: Convert to fraction form
    75,976.95/104,851.86 = 45,771.75/x
  3. Step 3: Cross multiply
    75,976.95x = 104,851.86 × 45,771.75
  4. Step 4: Simplify right side
    75,976.95x = 4,799,253,122.96
  5. Step 5: Solve for x
    x = 4,799,253,122.96/75,976.95
  6. Step 6: Final answer
    x = 63,167.23

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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.