Home / 49,561.56-74,342.52-12,625.56

Finding the Fourth Proportional to 49,561.56, 74,342.52 and 12,625.56

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Solution

The fourth proportional to 49,561.56, 74,342.52 and 12,625.56 is: 18,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.56 : 74,342.52 = 12,625.56 : x
  2. Step 2: Convert to fraction form
    49,561.56/74,342.52 = 12,625.56/x
  3. Step 3: Cross multiply
    49,561.56x = 74,342.52 × 12,625.56
  4. Step 4: Simplify right side
    49,561.56x = 938,615,946.81
  5. Step 5: Solve for x
    x = 938,615,946.81/49,561.56
  6. Step 6: Final answer
    x = 18,938.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.