Home / 76,187.25-105,113.97-49,350.33

Finding the Fourth Proportional to 76,187.25, 105,113.97 and 49,350.33

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Solution

The fourth proportional to 76,187.25, 105,113.97 and 49,350.33 is: 68,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.25 : 105,113.97 = 49,350.33 : x
  2. Step 2: Convert to fraction form
    76,187.25/105,113.97 = 49,350.33/x
  3. Step 3: Cross multiply
    76,187.25x = 105,113.97 × 49,350.33
  4. Step 4: Simplify right side
    76,187.25x = 5,187,409,107.11
  5. Step 5: Solve for x
    x = 5,187,409,107.11/76,187.25
  6. Step 6: Final answer
    x = 68,087.63

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1.5x scale

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.