Home / 83,378.67-125,022.27-57,090.03

Finding the Fourth Proportional to 83,378.67, 125,022.27 and 57,090.03

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Solution

The fourth proportional to 83,378.67, 125,022.27 and 57,090.03 is: 85,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,378.67 : 125,022.27 = 57,090.03 : x
  2. Step 2: Convert to fraction form
    83,378.67/125,022.27 = 57,090.03/x
  3. Step 3: Cross multiply
    83,378.67x = 125,022.27 × 57,090.03
  4. Step 4: Simplify right side
    83,378.67x = 7,137,525,144.97
  5. Step 5: Solve for x
    x = 7,137,525,144.97/83,378.67
  6. Step 6: Final answer
    x = 85,603.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.