Home / 73,886.20-110,831.67-28,905.80

Finding the Fourth Proportional to 73,886.20, 110,831.67 and 28,905.80

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Solution

The fourth proportional to 73,886.20, 110,831.67 and 28,905.80 is: 43,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.20 : 110,831.67 = 28,905.80 : x
  2. Step 2: Convert to fraction form
    73,886.20/110,831.67 = 28,905.80/x
  3. Step 3: Cross multiply
    73,886.20x = 110,831.67 × 28,905.80
  4. Step 4: Simplify right side
    73,886.20x = 3,203,677,532.53
  5. Step 5: Solve for x
    x = 3,203,677,532.53/73,886.20
  6. Step 6: Final answer
    x = 43,359.62

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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.