Home / 120,964.08-166,929.03-67,253.79

Finding the Fourth Proportional to 120,964.08, 166,929.03 and 67,253.79

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Solution

The fourth proportional to 120,964.08, 166,929.03 and 67,253.79 is: 92,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.08 : 166,929.03 = 67,253.79 : x
  2. Step 2: Convert to fraction form
    120,964.08/166,929.03 = 67,253.79/x
  3. Step 3: Cross multiply
    120,964.08x = 166,929.03 × 67,253.79
  4. Step 4: Simplify right side
    120,964.08x = 11,226,609,928.52
  5. Step 5: Solve for x
    x = 11,226,609,928.52/120,964.08
  6. Step 6: Final answer
    x = 92,809.45

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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.