Home / 117,780.56-176,676.48-38,893.04

Finding the Fourth Proportional to 117,780.56, 176,676.48 and 38,893.04

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Solution

The fourth proportional to 117,780.56, 176,676.48 and 38,893.04 is: 58,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,780.56 : 176,676.48 = 38,893.04 : x
  2. Step 2: Convert to fraction form
    117,780.56/176,676.48 = 38,893.04/x
  3. Step 3: Cross multiply
    117,780.56x = 176,676.48 × 38,893.04
  4. Step 4: Simplify right side
    117,780.56x = 6,871,485,403.70
  5. Step 5: Solve for x
    x = 6,871,485,403.70/117,780.56
  6. Step 6: Final answer
    x = 58,341.42

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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.