Home / 49,958.48-68,938.44-31,097.36

Finding the Fourth Proportional to 49,958.48, 68,938.44 and 31,097.36

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Solution

The fourth proportional to 49,958.48, 68,938.44 and 31,097.36 is: 42,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.48 : 68,938.44 = 31,097.36 : x
  2. Step 2: Convert to fraction form
    49,958.48/68,938.44 = 31,097.36/x
  3. Step 3: Cross multiply
    49,958.48x = 68,938.44 × 31,097.36
  4. Step 4: Simplify right side
    49,958.48x = 2,143,803,486.52
  5. Step 5: Solve for x
    x = 2,143,803,486.52/49,958.48
  6. Step 6: Final answer
    x = 42,911.70

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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.