Home / 120,739.84-166,619.52-67,025.28

Finding the Fourth Proportional to 120,739.84, 166,619.52 and 67,025.28

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Solution

The fourth proportional to 120,739.84, 166,619.52 and 67,025.28 is: 92,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,739.84 : 166,619.52 = 67,025.28 : x
  2. Step 2: Convert to fraction form
    120,739.84/166,619.52 = 67,025.28/x
  3. Step 3: Cross multiply
    120,739.84x = 166,619.52 × 67,025.28
  4. Step 4: Simplify right side
    120,739.84x = 11,167,719,981.47
  5. Step 5: Solve for x
    x = 11,167,719,981.47/120,739.84
  6. Step 6: Final answer
    x = 92,494.08

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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.