Home / 47,828.56-71,665.08-28,125.04

Finding the Fourth Proportional to 47,828.56, 71,665.08 and 28,125.04

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Solution

The fourth proportional to 47,828.56, 71,665.08 and 28,125.04 is: 42,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.56 : 71,665.08 = 28,125.04 : x
  2. Step 2: Convert to fraction form
    47,828.56/71,665.08 = 28,125.04/x
  3. Step 3: Cross multiply
    47,828.56x = 71,665.08 × 28,125.04
  4. Step 4: Simplify right side
    47,828.56x = 2,015,583,241.60
  5. Step 5: Solve for x
    x = 2,015,583,241.60/47,828.56
  6. Step 6: Final answer
    x = 42,141.83

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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.