Home / 74,747.40-112,118.67-30,361.02

Finding the Fourth Proportional to 74,747.40, 112,118.67 and 30,361.02

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Solution

The fourth proportional to 74,747.40, 112,118.67 and 30,361.02 is: 45,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.40 : 112,118.67 = 30,361.02 : x
  2. Step 2: Convert to fraction form
    74,747.40/112,118.67 = 30,361.02/x
  3. Step 3: Cross multiply
    74,747.40x = 112,118.67 × 30,361.02
  4. Step 4: Simplify right side
    74,747.40x = 3,404,037,182.24
  5. Step 5: Solve for x
    x = 3,404,037,182.24/74,747.40
  6. Step 6: Final answer
    x = 45,540.54

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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.