Home / 120,838.08-166,759.58-67,120.52

Finding the Fourth Proportional to 120,838.08, 166,759.58 and 67,120.52

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Solution

The fourth proportional to 120,838.08, 166,759.58 and 67,120.52 is: 92,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,838.08 : 166,759.58 = 67,120.52 : x
  2. Step 2: Convert to fraction form
    120,838.08/166,759.58 = 67,120.52/x
  3. Step 3: Cross multiply
    120,838.08x = 166,759.58 × 67,120.52
  4. Step 4: Simplify right side
    120,838.08x = 11,192,989,724.58
  5. Step 5: Solve for x
    x = 11,192,989,724.58/120,838.08
  6. Step 6: Final answer
    x = 92,628.00

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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.