Home / 49,967.10-68,950.68-28,742.28

Finding the Fourth Proportional to 49,967.10, 68,950.68 and 28,742.28

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Solution

The fourth proportional to 49,967.10, 68,950.68 and 28,742.28 is: 39,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,967.10 : 68,950.68 = 28,742.28 : x
  2. Step 2: Convert to fraction form
    49,967.10/68,950.68 = 28,742.28/x
  3. Step 3: Cross multiply
    49,967.10x = 68,950.68 × 28,742.28
  4. Step 4: Simplify right side
    49,967.10x = 1,981,799,750.75
  5. Step 5: Solve for x
    x = 1,981,799,750.75/49,967.10
  6. Step 6: Final answer
    x = 39,662.09

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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.