Home / 123,332.48-170,198.96-66,743.86

Finding the Fourth Proportional to 123,332.48, 170,198.96 and 66,743.86

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Solution

The fourth proportional to 123,332.48, 170,198.96 and 66,743.86 is: 92,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.48 : 170,198.96 = 66,743.86 : x
  2. Step 2: Convert to fraction form
    123,332.48/170,198.96 = 66,743.86/x
  3. Step 3: Cross multiply
    123,332.48x = 170,198.96 × 66,743.86
  4. Step 4: Simplify right side
    123,332.48x = 11,359,735,558.39
  5. Step 5: Solve for x
    x = 11,359,735,558.39/123,332.48
  6. Step 6: Final answer
    x = 92,106.60

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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.