Home / 73,917.76-110,955.60-31,818.70

Finding the Fourth Proportional to 73,917.76, 110,955.60 and 31,818.70

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Solution

The fourth proportional to 73,917.76, 110,955.60 and 31,818.70 is: 47,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,917.76 : 110,955.60 = 31,818.70 : x
  2. Step 2: Convert to fraction form
    73,917.76/110,955.60 = 31,818.70/x
  3. Step 3: Cross multiply
    73,917.76x = 110,955.60 × 31,818.70
  4. Step 4: Simplify right side
    73,917.76x = 3,530,462,949.72
  5. Step 5: Solve for x
    x = 3,530,462,949.72/73,917.76
  6. Step 6: Final answer
    x = 47,762.04

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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.