Home / 120,784.77-166,693.55-67,080.29

Finding the Fourth Proportional to 120,784.77, 166,693.55 and 67,080.29

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Solution

The fourth proportional to 120,784.77, 166,693.55 and 67,080.29 is: 92,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784.77 : 166,693.55 = 67,080.29 : x
  2. Step 2: Convert to fraction form
    120,784.77/166,693.55 = 67,080.29/x
  3. Step 3: Cross multiply
    120,784.77x = 166,693.55 × 67,080.29
  4. Step 4: Simplify right side
    120,784.77x = 11,181,850,506.26
  5. Step 5: Solve for x
    x = 11,181,850,506.26/120,784.77
  6. Step 6: Final answer
    x = 92,576.66

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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.