Home / 83,839.65-115,664.58-47,533.45

Finding the Fourth Proportional to 83,839.65, 115,664.58 and 47,533.45

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Solution

The fourth proportional to 83,839.65, 115,664.58 and 47,533.45 is: 65,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.65 : 115,664.58 = 47,533.45 : x
  2. Step 2: Convert to fraction form
    83,839.65/115,664.58 = 47,533.45/x
  3. Step 3: Cross multiply
    83,839.65x = 115,664.58 × 47,533.45
  4. Step 4: Simplify right side
    83,839.65x = 5,497,936,292.53
  5. Step 5: Solve for x
    x = 5,497,936,292.53/83,839.65
  6. Step 6: Final answer
    x = 65,576.80

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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.