Home / 74,078.42-102,227.44-40,086.16

Finding the Fourth Proportional to 74,078.42, 102,227.44 and 40,086.16

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Solution

The fourth proportional to 74,078.42, 102,227.44 and 40,086.16 is: 55,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,078.42 : 102,227.44 = 40,086.16 : x
  2. Step 2: Convert to fraction form
    74,078.42/102,227.44 = 40,086.16/x
  3. Step 3: Cross multiply
    74,078.42x = 102,227.44 × 40,086.16
  4. Step 4: Simplify right side
    74,078.42x = 4,097,905,315.80
  5. Step 5: Solve for x
    x = 4,097,905,315.80/74,078.42
  6. Step 6: Final answer
    x = 55,318.48

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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.