Home / 100,929.92-151,281.73-40,944.46

Finding the Fourth Proportional to 100,929.92, 151,281.73 and 40,944.46

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Solution

The fourth proportional to 100,929.92, 151,281.73 and 40,944.46 is: 61,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,929.92 : 151,281.73 = 40,944.46 : x
  2. Step 2: Convert to fraction form
    100,929.92/151,281.73 = 40,944.46/x
  3. Step 3: Cross multiply
    100,929.92x = 151,281.73 × 40,944.46
  4. Step 4: Simplify right side
    100,929.92x = 6,194,148,469.03
  5. Step 5: Solve for x
    x = 6,194,148,469.03/100,929.92
  6. Step 6: Final answer
    x = 61,370.79

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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.