Home / 49,963.10-68,917.37-38,000.21

Finding the Fourth Proportional to 49,963.10, 68,917.37 and 38,000.21

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Solution

The fourth proportional to 49,963.10, 68,917.37 and 38,000.21 is: 52,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.10 : 68,917.37 = 38,000.21 : x
  2. Step 2: Convert to fraction form
    49,963.10/68,917.37 = 38,000.21/x
  3. Step 3: Cross multiply
    49,963.10x = 68,917.37 × 38,000.21
  4. Step 4: Simplify right side
    49,963.10x = 2,618,873,998.06
  5. Step 5: Solve for x
    x = 2,618,873,998.06/49,963.10
  6. Step 6: Final answer
    x = 52,416.17

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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.