Home / 74,057.62-102,199.41-40,066.04

Finding the Fourth Proportional to 74,057.62, 102,199.41 and 40,066.04

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Solution

The fourth proportional to 74,057.62, 102,199.41 and 40,066.04 is: 55,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,057.62 : 102,199.41 = 40,066.04 : x
  2. Step 2: Convert to fraction form
    74,057.62/102,199.41 = 40,066.04/x
  3. Step 3: Cross multiply
    74,057.62x = 102,199.41 × 40,066.04
  4. Step 4: Simplify right side
    74,057.62x = 4,094,724,987.79
  5. Step 5: Solve for x
    x = 4,094,724,987.79/74,057.62
  6. Step 6: Final answer
    x = 55,291.07

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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.