Home / 79,655.48-109,935.06-47,826.43

Finding the Fourth Proportional to 79,655.48, 109,935.06 and 47,826.43

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Solution

The fourth proportional to 79,655.48, 109,935.06 and 47,826.43 is: 66,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.48 : 109,935.06 = 47,826.43 : x
  2. Step 2: Convert to fraction form
    79,655.48/109,935.06 = 47,826.43/x
  3. Step 3: Cross multiply
    79,655.48x = 109,935.06 × 47,826.43
  4. Step 4: Simplify right side
    79,655.48x = 5,257,801,768.40
  5. Step 5: Solve for x
    x = 5,257,801,768.40/79,655.48
  6. Step 6: Final answer
    x = 66,006.78

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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.