Home / 80,903.65-121,336.03-41,440.45

Finding the Fourth Proportional to 80,903.65, 121,336.03 and 41,440.45

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Solution

The fourth proportional to 80,903.65, 121,336.03 and 41,440.45 is: 62,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903.65 : 121,336.03 = 41,440.45 : x
  2. Step 2: Convert to fraction form
    80,903.65/121,336.03 = 41,440.45/x
  3. Step 3: Cross multiply
    80,903.65x = 121,336.03 × 41,440.45
  4. Step 4: Simplify right side
    80,903.65x = 5,028,219,684.41
  5. Step 5: Solve for x
    x = 5,028,219,684.41/80,903.65
  6. Step 6: Final answer
    x = 62,150.71

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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.