Home / 48,999.15-67,634.06-38,945.43

Finding the Fourth Proportional to 48,999.15, 67,634.06 and 38,945.43

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Solution

The fourth proportional to 48,999.15, 67,634.06 and 38,945.43 is: 53,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.15 : 67,634.06 = 38,945.43 : x
  2. Step 2: Convert to fraction form
    48,999.15/67,634.06 = 38,945.43/x
  3. Step 3: Cross multiply
    48,999.15x = 67,634.06 × 38,945.43
  4. Step 4: Simplify right side
    48,999.15x = 2,634,037,354.62
  5. Step 5: Solve for x
    x = 2,634,037,354.62/48,999.15
  6. Step 6: Final answer
    x = 53,756.80

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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.