Home / 83,072.27-124,602.93-20,742.77

Finding the Fourth Proportional to 83,072.27, 124,602.93 and 20,742.77

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Solution

The fourth proportional to 83,072.27, 124,602.93 and 20,742.77 is: 31,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.27 : 124,602.93 = 20,742.77 : x
  2. Step 2: Convert to fraction form
    83,072.27/124,602.93 = 20,742.77/x
  3. Step 3: Cross multiply
    83,072.27x = 124,602.93 × 20,742.77
  4. Step 4: Simplify right side
    83,072.27x = 2,584,609,295.30
  5. Step 5: Solve for x
    x = 2,584,609,295.30/83,072.27
  6. Step 6: Final answer
    x = 31,112.78

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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.