Home / 81,939.22-113,086.91-46,136.23

Finding the Fourth Proportional to 81,939.22, 113,086.91 and 46,136.23

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Solution

The fourth proportional to 81,939.22, 113,086.91 and 46,136.23 is: 63,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,939.22 : 113,086.91 = 46,136.23 : x
  2. Step 2: Convert to fraction form
    81,939.22/113,086.91 = 46,136.23/x
  3. Step 3: Cross multiply
    81,939.22x = 113,086.91 × 46,136.23
  4. Step 4: Simplify right side
    81,939.22x = 5,217,403,689.75
  5. Step 5: Solve for x
    x = 5,217,403,689.75/81,939.22
  6. Step 6: Final answer
    x = 63,674.07

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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.