Home / 74,286.61-111,446.32-27,539.49

Finding the Fourth Proportional to 74,286.61, 111,446.32 and 27,539.49

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Solution

The fourth proportional to 74,286.61, 111,446.32 and 27,539.49 is: 41,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286.61 : 111,446.32 = 27,539.49 : x
  2. Step 2: Convert to fraction form
    74,286.61/111,446.32 = 27,539.49/x
  3. Step 3: Cross multiply
    74,286.61x = 111,446.32 × 27,539.49
  4. Step 4: Simplify right side
    74,286.61x = 3,069,174,328.40
  5. Step 5: Solve for x
    x = 3,069,174,328.40/74,286.61
  6. Step 6: Final answer
    x = 41,315.31

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1.5x scale

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.