Home / 74,426.70-102,685.68-45,716.25

Finding the Fourth Proportional to 74,426.70, 102,685.68 and 45,716.25

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Solution

The fourth proportional to 74,426.70, 102,685.68 and 45,716.25 is: 63,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.70 : 102,685.68 = 45,716.25 : x
  2. Step 2: Convert to fraction form
    74,426.70/102,685.68 = 45,716.25/x
  3. Step 3: Cross multiply
    74,426.70x = 102,685.68 × 45,716.25
  4. Step 4: Simplify right side
    74,426.70x = 4,694,404,218.30
  5. Step 5: Solve for x
    x = 4,694,404,218.30/74,426.70
  6. Step 6: Final answer
    x = 63,074.20

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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.