Home / 120,725.04-166,582.80-67,010.46

Finding the Fourth Proportional to 120,725.04, 166,582.80 and 67,010.46

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Solution

The fourth proportional to 120,725.04, 166,582.80 and 67,010.46 is: 92,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.04 : 166,582.80 = 67,010.46 : x
  2. Step 2: Convert to fraction form
    120,725.04/166,582.80 = 67,010.46/x
  3. Step 3: Cross multiply
    120,725.04x = 166,582.80 × 67,010.46
  4. Step 4: Simplify right side
    120,725.04x = 11,162,790,056.09
  5. Step 5: Solve for x
    x = 11,162,790,056.09/120,725.04
  6. Step 6: Final answer
    x = 92,464.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.