Home / 71,263.41-106,898.56-18,672.95

Finding the Fourth Proportional to 71,263.41, 106,898.56 and 18,672.95

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Solution

The fourth proportional to 71,263.41, 106,898.56 and 18,672.95 is: 28,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.41 : 106,898.56 = 18,672.95 : x
  2. Step 2: Convert to fraction form
    71,263.41/106,898.56 = 18,672.95/x
  3. Step 3: Cross multiply
    71,263.41x = 106,898.56 × 18,672.95
  4. Step 4: Simplify right side
    71,263.41x = 1,996,111,245.39
  5. Step 5: Solve for x
    x = 1,996,111,245.39/71,263.41
  6. Step 6: Final answer
    x = 28,010.32

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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.