Home / 77,095.09-106,409.01-50,190.75

Finding the Fourth Proportional to 77,095.09, 106,409.01 and 50,190.75

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Solution

The fourth proportional to 77,095.09, 106,409.01 and 50,190.75 is: 69,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,095.09 : 106,409.01 = 50,190.75 : x
  2. Step 2: Convert to fraction form
    77,095.09/106,409.01 = 50,190.75/x
  3. Step 3: Cross multiply
    77,095.09x = 106,409.01 × 50,190.75
  4. Step 4: Simplify right side
    77,095.09x = 5,340,747,767.70
  5. Step 5: Solve for x
    x = 5,340,747,767.70/77,095.09
  6. Step 6: Final answer
    x = 69,274.81

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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.