Home / 80,811.76-111,513.08-46,809.38

Finding the Fourth Proportional to 80,811.76, 111,513.08 and 46,809.38

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Solution

The fourth proportional to 80,811.76, 111,513.08 and 46,809.38 is: 64,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,811.76 : 111,513.08 = 46,809.38 : x
  2. Step 2: Convert to fraction form
    80,811.76/111,513.08 = 46,809.38/x
  3. Step 3: Cross multiply
    80,811.76x = 111,513.08 × 46,809.38
  4. Step 4: Simplify right side
    80,811.76x = 5,219,858,136.69
  5. Step 5: Solve for x
    x = 5,219,858,136.69/80,811.76
  6. Step 6: Final answer
    x = 64,592.80

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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.