Home / 93,311.23-128,766.93-50,869.75

Finding the Fourth Proportional to 93,311.23, 128,766.93 and 50,869.75

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Solution

The fourth proportional to 93,311.23, 128,766.93 and 50,869.75 is: 70,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311.23 : 128,766.93 = 50,869.75 : x
  2. Step 2: Convert to fraction form
    93,311.23/128,766.93 = 50,869.75/x
  3. Step 3: Cross multiply
    93,311.23x = 128,766.93 × 50,869.75
  4. Step 4: Simplify right side
    93,311.23x = 6,550,341,537.37
  5. Step 5: Solve for x
    x = 6,550,341,537.37/93,311.23
  6. Step 6: Final answer
    x = 70,198.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.