Home / 47,768.40-71,566.20-38,955.60

Finding the Fourth Proportional to 47,768.40, 71,566.20 and 38,955.60

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Solution

The fourth proportional to 47,768.40, 71,566.20 and 38,955.60 is: 58,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.40 : 71,566.20 = 38,955.60 : x
  2. Step 2: Convert to fraction form
    47,768.40/71,566.20 = 38,955.60/x
  3. Step 3: Cross multiply
    47,768.40x = 71,566.20 × 38,955.60
  4. Step 4: Simplify right side
    47,768.40x = 2,787,904,260.72
  5. Step 5: Solve for x
    x = 2,787,904,260.72/47,768.40
  6. Step 6: Final answer
    x = 58,362.94

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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.