Home / 115,610.38-173,419.18-31,370.28

Finding the Fourth Proportional to 115,610.38, 173,419.18 and 31,370.28

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Solution

The fourth proportional to 115,610.38, 173,419.18 and 31,370.28 is: 47,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.38 : 173,419.18 = 31,370.28 : x
  2. Step 2: Convert to fraction form
    115,610.38/173,419.18 = 31,370.28/x
  3. Step 3: Cross multiply
    115,610.38x = 173,419.18 × 31,370.28
  4. Step 4: Simplify right side
    115,610.38x = 5,440,208,233.97
  5. Step 5: Solve for x
    x = 5,440,208,233.97/115,610.38
  6. Step 6: Final answer
    x = 47,056.40

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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.