Home / 75,144.60-103,688.70-41,610.52

Finding the Fourth Proportional to 75,144.60, 103,688.70 and 41,610.52

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Solution

The fourth proportional to 75,144.60, 103,688.70 and 41,610.52 is: 57,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.60 : 103,688.70 = 41,610.52 : x
  2. Step 2: Convert to fraction form
    75,144.60/103,688.70 = 41,610.52/x
  3. Step 3: Cross multiply
    75,144.60x = 103,688.70 × 41,610.52
  4. Step 4: Simplify right side
    75,144.60x = 4,314,540,725.12
  5. Step 5: Solve for x
    x = 4,314,540,725.12/75,144.60
  6. Step 6: Final answer
    x = 57,416.51

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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.