Home / 113,603.76-170,353.47-38,693.43

Finding the Fourth Proportional to 113,603.76, 170,353.47 and 38,693.43

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Solution

The fourth proportional to 113,603.76, 170,353.47 and 38,693.43 is: 58,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.76 : 170,353.47 = 38,693.43 : x
  2. Step 2: Convert to fraction form
    113,603.76/170,353.47 = 38,693.43/x
  3. Step 3: Cross multiply
    113,603.76x = 170,353.47 × 38,693.43
  4. Step 4: Simplify right side
    113,603.76x = 6,591,560,066.70
  5. Step 5: Solve for x
    x = 6,591,560,066.70/113,603.76
  6. Step 6: Final answer
    x = 58,022.38

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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.