Home / 81,946.27-122,897.52-22,785.22

Finding the Fourth Proportional to 81,946.27, 122,897.52 and 22,785.22

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Solution

The fourth proportional to 81,946.27, 122,897.52 and 22,785.22 is: 34,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,946.27 : 122,897.52 = 22,785.22 : x
  2. Step 2: Convert to fraction form
    81,946.27/122,897.52 = 22,785.22/x
  3. Step 3: Cross multiply
    81,946.27x = 122,897.52 × 22,785.22
  4. Step 4: Simplify right side
    81,946.27x = 2,800,247,030.65
  5. Step 5: Solve for x
    x = 2,800,247,030.65/81,946.27
  6. Step 6: Final answer
    x = 34,171.74

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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.