Home / 84,743.84-116,943.72-47,020.88

Finding the Fourth Proportional to 84,743.84, 116,943.72 and 47,020.88

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Solution

The fourth proportional to 84,743.84, 116,943.72 and 47,020.88 is: 64,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743.84 : 116,943.72 = 47,020.88 : x
  2. Step 2: Convert to fraction form
    84,743.84/116,943.72 = 47,020.88/x
  3. Step 3: Cross multiply
    84,743.84x = 116,943.72 × 47,020.88
  4. Step 4: Simplify right side
    84,743.84x = 5,498,796,624.87
  5. Step 5: Solve for x
    x = 5,498,796,624.87/84,743.84
  6. Step 6: Final answer
    x = 64,887.27

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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.