Home / 72,912.21-109,368.36-41,725.59

Finding the Fourth Proportional to 72,912.21, 109,368.36 and 41,725.59

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Solution

The fourth proportional to 72,912.21, 109,368.36 and 41,725.59 is: 62,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,912.21 : 109,368.36 = 41,725.59 : x
  2. Step 2: Convert to fraction form
    72,912.21/109,368.36 = 41,725.59/x
  3. Step 3: Cross multiply
    72,912.21x = 109,368.36 × 41,725.59
  4. Step 4: Simplify right side
    72,912.21x = 4,563,459,348.33
  5. Step 5: Solve for x
    x = 4,563,459,348.33/72,912.21
  6. Step 6: Final answer
    x = 62,588.41

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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.