Home / 87,850.59-121,233.65-47,564.34

Finding the Fourth Proportional to 87,850.59, 121,233.65 and 47,564.34

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Solution

The fourth proportional to 87,850.59, 121,233.65 and 47,564.34 is: 65,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.59 : 121,233.65 = 47,564.34 : x
  2. Step 2: Convert to fraction form
    87,850.59/121,233.65 = 47,564.34/x
  3. Step 3: Cross multiply
    87,850.59x = 121,233.65 × 47,564.34
  4. Step 4: Simplify right side
    87,850.59x = 5,766,399,032.39
  5. Step 5: Solve for x
    x = 5,766,399,032.39/87,850.59
  6. Step 6: Final answer
    x = 65,638.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.