Home / 77,728.72-116,586.37-47,325.97

Finding the Fourth Proportional to 77,728.72, 116,586.37 and 47,325.97

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Solution

The fourth proportional to 77,728.72, 116,586.37 and 47,325.97 is: 70,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,728.72 : 116,586.37 = 47,325.97 : x
  2. Step 2: Convert to fraction form
    77,728.72/116,586.37 = 47,325.97/x
  3. Step 3: Cross multiply
    77,728.72x = 116,586.37 × 47,325.97
  4. Step 4: Simplify right side
    77,728.72x = 5,517,562,229.47
  5. Step 5: Solve for x
    x = 5,517,562,229.47/77,728.72
  6. Step 6: Final answer
    x = 70,984.86

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1.5x scale

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.