Home / 71,845.98-107,743.02-30,296.22

Finding the Fourth Proportional to 71,845.98, 107,743.02 and 30,296.22

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Solution

The fourth proportional to 71,845.98, 107,743.02 and 30,296.22 is: 45,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845.98 : 107,743.02 = 30,296.22 : x
  2. Step 2: Convert to fraction form
    71,845.98/107,743.02 = 30,296.22/x
  3. Step 3: Cross multiply
    71,845.98x = 107,743.02 × 30,296.22
  4. Step 4: Simplify right side
    71,845.98x = 3,264,206,237.38
  5. Step 5: Solve for x
    x = 3,264,206,237.38/71,845.98
  6. Step 6: Final answer
    x = 45,433.39

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1.5x scale

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.