Home / 85,669.96-118,233.38-49,372.68

Finding the Fourth Proportional to 85,669.96, 118,233.38 and 49,372.68

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Solution

The fourth proportional to 85,669.96, 118,233.38 and 49,372.68 is: 68,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669.96 : 118,233.38 = 49,372.68 : x
  2. Step 2: Convert to fraction form
    85,669.96/118,233.38 = 49,372.68/x
  3. Step 3: Cross multiply
    85,669.96x = 118,233.38 × 49,372.68
  4. Step 4: Simplify right side
    85,669.96x = 5,837,498,836.06
  5. Step 5: Solve for x
    x = 5,837,498,836.06/85,669.96
  6. Step 6: Final answer
    x = 68,139.39

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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.