Home / 68,378.54-102,529.33-47,056.30

Finding the Fourth Proportional to 68,378.54, 102,529.33 and 47,056.30

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Solution

The fourth proportional to 68,378.54, 102,529.33 and 47,056.30 is: 70,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.54 : 102,529.33 = 47,056.30 : x
  2. Step 2: Convert to fraction form
    68,378.54/102,529.33 = 47,056.30/x
  3. Step 3: Cross multiply
    68,378.54x = 102,529.33 × 47,056.30
  4. Step 4: Simplify right side
    68,378.54x = 4,824,650,537.31
  5. Step 5: Solve for x
    x = 4,824,650,537.31/68,378.54
  6. Step 6: Final answer
    x = 70,557.97

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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.