Home / 112,009.55-168,084.66-45,449.96

Finding the Fourth Proportional to 112,009.55, 168,084.66 and 45,449.96

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Solution

The fourth proportional to 112,009.55, 168,084.66 and 45,449.96 is: 68,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009.55 : 168,084.66 = 45,449.96 : x
  2. Step 2: Convert to fraction form
    112,009.55/168,084.66 = 45,449.96/x
  3. Step 3: Cross multiply
    112,009.55x = 168,084.66 × 45,449.96
  4. Step 4: Simplify right side
    112,009.55x = 7,639,441,073.61
  5. Step 5: Solve for x
    x = 7,639,441,073.61/112,009.55
  6. Step 6: Final answer
    x = 68,203.48

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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.