Home / 117,311.46-175,965.36-28,564.21

Finding the Fourth Proportional to 117,311.46, 175,965.36 and 28,564.21

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Solution

The fourth proportional to 117,311.46, 175,965.36 and 28,564.21 is: 42,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.46 : 175,965.36 = 28,564.21 : x
  2. Step 2: Convert to fraction form
    117,311.46/175,965.36 = 28,564.21/x
  3. Step 3: Cross multiply
    117,311.46x = 175,965.36 × 28,564.21
  4. Step 4: Simplify right side
    117,311.46x = 5,026,311,769.28
  5. Step 5: Solve for x
    x = 5,026,311,769.28/117,311.46
  6. Step 6: Final answer
    x = 42,845.87

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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.