Home / 80,672.99-111,324.40-46,682.06

Finding the Fourth Proportional to 80,672.99, 111,324.40 and 46,682.06

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Solution

The fourth proportional to 80,672.99, 111,324.40 and 46,682.06 is: 64,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672.99 : 111,324.40 = 46,682.06 : x
  2. Step 2: Convert to fraction form
    80,672.99/111,324.40 = 46,682.06/x
  3. Step 3: Cross multiply
    80,672.99x = 111,324.40 × 46,682.06
  4. Step 4: Simplify right side
    80,672.99x = 5,196,851,646.94
  5. Step 5: Solve for x
    x = 5,196,851,646.94/80,672.99
  6. Step 6: Final answer
    x = 64,418.74

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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.