Home / 117,994.72-177,030.96-43,137.76

Finding the Fourth Proportional to 117,994.72, 177,030.96 and 43,137.76

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Solution

The fourth proportional to 117,994.72, 177,030.96 and 43,137.76 is: 64,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,994.72 : 177,030.96 = 43,137.76 : x
  2. Step 2: Convert to fraction form
    117,994.72/177,030.96 = 43,137.76/x
  3. Step 3: Cross multiply
    117,994.72x = 177,030.96 × 43,137.76
  4. Step 4: Simplify right side
    117,994.72x = 7,636,719,065.05
  5. Step 5: Solve for x
    x = 7,636,719,065.05/117,994.72
  6. Step 6: Final answer
    x = 64,720.85

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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.