Home / 76,018.49-104,908.46-50,480.81

Finding the Fourth Proportional to 76,018.49, 104,908.46 and 50,480.81

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Solution

The fourth proportional to 76,018.49, 104,908.46 and 50,480.81 is: 69,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018.49 : 104,908.46 = 50,480.81 : x
  2. Step 2: Convert to fraction form
    76,018.49/104,908.46 = 50,480.81/x
  3. Step 3: Cross multiply
    76,018.49x = 104,908.46 × 50,480.81
  4. Step 4: Simplify right side
    76,018.49x = 5,295,864,036.65
  5. Step 5: Solve for x
    x = 5,295,864,036.65/76,018.49
  6. Step 6: Final answer
    x = 69,665.47

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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.