Home / 74,008.14-102,131.24-40,016.63

Finding the Fourth Proportional to 74,008.14, 102,131.24 and 40,016.63

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Solution

The fourth proportional to 74,008.14, 102,131.24 and 40,016.63 is: 55,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,008.14 : 102,131.24 = 40,016.63 : x
  2. Step 2: Convert to fraction form
    74,008.14/102,131.24 = 40,016.63/x
  3. Step 3: Cross multiply
    74,008.14x = 102,131.24 × 40,016.63
  4. Step 4: Simplify right side
    74,008.14x = 4,086,947,331.78
  5. Step 5: Solve for x
    x = 4,086,947,331.78/74,008.14
  6. Step 6: Final answer
    x = 55,222.94

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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.