Home / 86,034.84-118,771.24-53,787.37

Finding the Fourth Proportional to 86,034.84, 118,771.24 and 53,787.37

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Solution

The fourth proportional to 86,034.84, 118,771.24 and 53,787.37 is: 74,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034.84 : 118,771.24 = 53,787.37 : x
  2. Step 2: Convert to fraction form
    86,034.84/118,771.24 = 53,787.37/x
  3. Step 3: Cross multiply
    86,034.84x = 118,771.24 × 53,787.37
  4. Step 4: Simplify right side
    86,034.84x = 6,388,392,631.24
  5. Step 5: Solve for x
    x = 6,388,392,631.24/86,034.84
  6. Step 6: Final answer
    x = 74,253.55

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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.