Home / 76,210.97-105,161.17-43,946.78

Finding the Fourth Proportional to 76,210.97, 105,161.17 and 43,946.78

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Solution

The fourth proportional to 76,210.97, 105,161.17 and 43,946.78 is: 60,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.97 : 105,161.17 = 43,946.78 : x
  2. Step 2: Convert to fraction form
    76,210.97/105,161.17 = 43,946.78/x
  3. Step 3: Cross multiply
    76,210.97x = 105,161.17 × 43,946.78
  4. Step 4: Simplify right side
    76,210.97x = 4,621,494,582.80
  5. Step 5: Solve for x
    x = 4,621,494,582.80/76,210.97
  6. Step 6: Final answer
    x = 60,640.81

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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.