Home / 112,580.20-168,766.62-53,443.72

Finding the Fourth Proportional to 112,580.20, 168,766.62 and 53,443.72

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Solution

The fourth proportional to 112,580.20, 168,766.62 and 53,443.72 is: 80,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.20 : 168,766.62 = 53,443.72 : x
  2. Step 2: Convert to fraction form
    112,580.20/168,766.62 = 53,443.72/x
  3. Step 3: Cross multiply
    112,580.20x = 168,766.62 × 53,443.72
  4. Step 4: Simplify right side
    112,580.20x = 9,019,515,984.63
  5. Step 5: Solve for x
    x = 9,019,515,984.63/112,580.20
  6. Step 6: Final answer
    x = 80,116.36

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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.