Home / 84,819.84-117,055.44-49,014.60

Finding the Fourth Proportional to 84,819.84, 117,055.44 and 49,014.60

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Solution

The fourth proportional to 84,819.84, 117,055.44 and 49,014.60 is: 67,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,819.84 : 117,055.44 = 49,014.60 : x
  2. Step 2: Convert to fraction form
    84,819.84/117,055.44 = 49,014.60/x
  3. Step 3: Cross multiply
    84,819.84x = 117,055.44 × 49,014.60
  4. Step 4: Simplify right side
    84,819.84x = 5,737,425,569.42
  5. Step 5: Solve for x
    x = 5,737,425,569.42/84,819.84
  6. Step 6: Final answer
    x = 67,642.49

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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.