Home / 74,057.87-102,199.42-40,066.25

Finding the Fourth Proportional to 74,057.87, 102,199.42 and 40,066.25

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Solution

The fourth proportional to 74,057.87, 102,199.42 and 40,066.25 is: 55,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,057.87 : 102,199.42 = 40,066.25 : x
  2. Step 2: Convert to fraction form
    74,057.87/102,199.42 = 40,066.25/x
  3. Step 3: Cross multiply
    74,057.87x = 102,199.42 × 40,066.25
  4. Step 4: Simplify right side
    74,057.87x = 4,094,747,511.58
  5. Step 5: Solve for x
    x = 4,094,747,511.58/74,057.87
  6. Step 6: Final answer
    x = 55,291.19

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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.