Home / 120,561.64-166,366.92-69,576.49

Finding the Fourth Proportional to 120,561.64, 166,366.92 and 69,576.49

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Solution

The fourth proportional to 120,561.64, 166,366.92 and 69,576.49 is: 96,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,561.64 : 166,366.92 = 69,576.49 : x
  2. Step 2: Convert to fraction form
    120,561.64/166,366.92 = 69,576.49/x
  3. Step 3: Cross multiply
    120,561.64x = 166,366.92 × 69,576.49
  4. Step 4: Simplify right side
    120,561.64x = 11,575,226,345.71
  5. Step 5: Solve for x
    x = 11,575,226,345.71/120,561.64
  6. Step 6: Final answer
    x = 96,010.86

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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.