Home / 80,846.78-111,571.06-46,397.80

Finding the Fourth Proportional to 80,846.78, 111,571.06 and 46,397.80

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Solution

The fourth proportional to 80,846.78, 111,571.06 and 46,397.80 is: 64,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846.78 : 111,571.06 = 46,397.80 : x
  2. Step 2: Convert to fraction form
    80,846.78/111,571.06 = 46,397.80/x
  3. Step 3: Cross multiply
    80,846.78x = 111,571.06 × 46,397.80
  4. Step 4: Simplify right side
    80,846.78x = 5,176,651,169.81
  5. Step 5: Solve for x
    x = 5,176,651,169.81/80,846.78
  6. Step 6: Final answer
    x = 64,030.39

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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.