Home / 76,845.48-106,073.22-45,024.68

Finding the Fourth Proportional to 76,845.48, 106,073.22 and 45,024.68

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Solution

The fourth proportional to 76,845.48, 106,073.22 and 45,024.68 is: 62,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.48 : 106,073.22 = 45,024.68 : x
  2. Step 2: Convert to fraction form
    76,845.48/106,073.22 = 45,024.68/x
  3. Step 3: Cross multiply
    76,845.48x = 106,073.22 × 45,024.68
  4. Step 4: Simplify right side
    76,845.48x = 4,775,912,787.07
  5. Step 5: Solve for x
    x = 4,775,912,787.07/76,845.48
  6. Step 6: Final answer
    x = 62,149.56

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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.