Home / 112,628.40-168,980.16-37,756

Finding the Fourth Proportional to 112,628.40, 168,980.16 and 37,756

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Solution

The fourth proportional to 112,628.40, 168,980.16 and 37,756 is: 56,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,628.40 : 168,980.16 = 37,756 : x
  2. Step 2: Convert to fraction form
    112,628.40/168,980.16 = 37,756/x
  3. Step 3: Cross multiply
    112,628.40x = 168,980.16 × 37,756
  4. Step 4: Simplify right side
    112,628.40x = 6,380,014,920.96
  5. Step 5: Solve for x
    x = 6,380,014,920.96/112,628.40
  6. Step 6: Final answer
    x = 56,646.59

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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.