Home / 62,940.57-94,378.35-18,561.68

Finding the Fourth Proportional to 62,940.57, 94,378.35 and 18,561.68

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Solution

The fourth proportional to 62,940.57, 94,378.35 and 18,561.68 is: 27,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,940.57 : 94,378.35 = 18,561.68 : x
  2. Step 2: Convert to fraction form
    62,940.57/94,378.35 = 18,561.68/x
  3. Step 3: Cross multiply
    62,940.57x = 94,378.35 × 18,561.68
  4. Step 4: Simplify right side
    62,940.57x = 1,751,820,731.63
  5. Step 5: Solve for x
    x = 1,751,820,731.63/62,940.57
  6. Step 6: Final answer
    x = 27,832.93

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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.