Home / 97,385.34-134,391.20-54,362.34

Finding the Fourth Proportional to 97,385.34, 134,391.20 and 54,362.34

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Solution

The fourth proportional to 97,385.34, 134,391.20 and 54,362.34 is: 75,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,385.34 : 134,391.20 = 54,362.34 : x
  2. Step 2: Convert to fraction form
    97,385.34/134,391.20 = 54,362.34/x
  3. Step 3: Cross multiply
    97,385.34x = 134,391.20 × 54,362.34
  4. Step 4: Simplify right side
    97,385.34x = 7,305,820,107.41
  5. Step 5: Solve for x
    x = 7,305,820,107.41/97,385.34
  6. Step 6: Final answer
    x = 75,019.71

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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.