Home / 112,068.72-168,079.32-37,171.44

Finding the Fourth Proportional to 112,068.72, 168,079.32 and 37,171.44

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Solution

The fourth proportional to 112,068.72, 168,079.32 and 37,171.44 is: 55,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.72 : 168,079.32 = 37,171.44 : x
  2. Step 2: Convert to fraction form
    112,068.72/168,079.32 = 37,171.44/x
  3. Step 3: Cross multiply
    112,068.72x = 168,079.32 × 37,171.44
  4. Step 4: Simplify right side
    112,068.72x = 6,247,750,358.62
  5. Step 5: Solve for x
    x = 6,247,750,358.62/112,068.72
  6. Step 6: Final answer
    x = 55,749.28

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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.