Home / 78,362.43-108,142.66-44,370.37

Finding the Fourth Proportional to 78,362.43, 108,142.66 and 44,370.37

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Solution

The fourth proportional to 78,362.43, 108,142.66 and 44,370.37 is: 61,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,362.43 : 108,142.66 = 44,370.37 : x
  2. Step 2: Convert to fraction form
    78,362.43/108,142.66 = 44,370.37/x
  3. Step 3: Cross multiply
    78,362.43x = 108,142.66 × 44,370.37
  4. Step 4: Simplify right side
    78,362.43x = 4,798,329,836.98
  5. Step 5: Solve for x
    x = 4,798,329,836.98/78,362.43
  6. Step 6: Final answer
    x = 61,232.53

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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.