Home / 74,465.73-111,716.82-40,715.46

Finding the Fourth Proportional to 74,465.73, 111,716.82 and 40,715.46

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Solution

The fourth proportional to 74,465.73, 111,716.82 and 40,715.46 is: 61,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.73 : 111,716.82 = 40,715.46 : x
  2. Step 2: Convert to fraction form
    74,465.73/111,716.82 = 40,715.46/x
  3. Step 3: Cross multiply
    74,465.73x = 111,716.82 × 40,715.46
  4. Step 4: Simplify right side
    74,465.73x = 4,548,601,716.04
  5. Step 5: Solve for x
    x = 4,548,601,716.04/74,465.73
  6. Step 6: Final answer
    x = 61,083.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.