Home / 54,972.84-82,459.26-31,584.36

Finding the Fourth Proportional to 54,972.84, 82,459.26 and 31,584.36

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Solution

The fourth proportional to 54,972.84, 82,459.26 and 31,584.36 is: 47,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.84 : 82,459.26 = 31,584.36 : x
  2. Step 2: Convert to fraction form
    54,972.84/82,459.26 = 31,584.36/x
  3. Step 3: Cross multiply
    54,972.84x = 82,459.26 × 31,584.36
  4. Step 4: Simplify right side
    54,972.84x = 2,604,422,953.17
  5. Step 5: Solve for x
    x = 2,604,422,953.17/54,972.84
  6. Step 6: Final answer
    x = 47,376.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.