Home / 120,941.87-166,901.76-66,496.32

Finding the Fourth Proportional to 120,941.87, 166,901.76 and 66,496.32

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Solution

The fourth proportional to 120,941.87, 166,901.76 and 66,496.32 is: 91,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.87 : 166,901.76 = 66,496.32 : x
  2. Step 2: Convert to fraction form
    120,941.87/166,901.76 = 66,496.32/x
  3. Step 3: Cross multiply
    120,941.87x = 166,901.76 × 66,496.32
  4. Step 4: Simplify right side
    120,941.87x = 11,098,352,841.52
  5. Step 5: Solve for x
    x = 11,098,352,841.52/120,941.87
  6. Step 6: Final answer
    x = 91,766.01

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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.