Home / 80,219.87-110,715.09-46,221.79

Finding the Fourth Proportional to 80,219.87, 110,715.09 and 46,221.79

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Solution

The fourth proportional to 80,219.87, 110,715.09 and 46,221.79 is: 63,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219.87 : 110,715.09 = 46,221.79 : x
  2. Step 2: Convert to fraction form
    80,219.87/110,715.09 = 46,221.79/x
  3. Step 3: Cross multiply
    80,219.87x = 110,715.09 × 46,221.79
  4. Step 4: Simplify right side
    80,219.87x = 5,117,449,639.81
  5. Step 5: Solve for x
    x = 5,117,449,639.81/80,219.87
  6. Step 6: Final answer
    x = 63,792.79

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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.