Home / 74,072.97-102,219.96-40,080.71

Finding the Fourth Proportional to 74,072.97, 102,219.96 and 40,080.71

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Solution

The fourth proportional to 74,072.97, 102,219.96 and 40,080.71 is: 55,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,072.97 : 102,219.96 = 40,080.71 : x
  2. Step 2: Convert to fraction form
    74,072.97/102,219.96 = 40,080.71/x
  3. Step 3: Cross multiply
    74,072.97x = 102,219.96 × 40,080.71
  4. Step 4: Simplify right side
    74,072.97x = 4,097,048,572.97
  5. Step 5: Solve for x
    x = 4,097,048,572.97/74,072.97
  6. Step 6: Final answer
    x = 55,310.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.