Home / 81,984.94-113,139.46-47,536.35

Finding the Fourth Proportional to 81,984.94, 113,139.46 and 47,536.35

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Solution

The fourth proportional to 81,984.94, 113,139.46 and 47,536.35 is: 65,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,984.94 : 113,139.46 = 47,536.35 : x
  2. Step 2: Convert to fraction form
    81,984.94/113,139.46 = 47,536.35/x
  3. Step 3: Cross multiply
    81,984.94x = 113,139.46 × 47,536.35
  4. Step 4: Simplify right side
    81,984.94x = 5,378,237,107.23
  5. Step 5: Solve for x
    x = 5,378,237,107.23/81,984.94
  6. Step 6: Final answer
    x = 65,600.30

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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.