Home / 49,959.48-68,939.82-31,098.36

Finding the Fourth Proportional to 49,959.48, 68,939.82 and 31,098.36

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Solution

The fourth proportional to 49,959.48, 68,939.82 and 31,098.36 is: 42,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.48 : 68,939.82 = 31,098.36 : x
  2. Step 2: Convert to fraction form
    49,959.48/68,939.82 = 31,098.36/x
  3. Step 3: Cross multiply
    49,959.48x = 68,939.82 × 31,098.36
  4. Step 4: Simplify right side
    49,959.48x = 2,143,915,340.70
  5. Step 5: Solve for x
    x = 2,143,915,340.70/49,959.48
  6. Step 6: Final answer
    x = 42,913.08

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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.