Home / 74,372.31-102,563.45-48,833.63

Finding the Fourth Proportional to 74,372.31, 102,563.45 and 48,833.63

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Solution

The fourth proportional to 74,372.31, 102,563.45 and 48,833.63 is: 67,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.31 : 102,563.45 = 48,833.63 : x
  2. Step 2: Convert to fraction form
    74,372.31/102,563.45 = 48,833.63/x
  3. Step 3: Cross multiply
    74,372.31x = 102,563.45 × 48,833.63
  4. Step 4: Simplify right side
    74,372.31x = 5,008,544,811.84
  5. Step 5: Solve for x
    x = 5,008,544,811.84/74,372.31
  6. Step 6: Final answer
    x = 67,344.21

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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.