Home / 123,332.37-170,198.67-66,743.74

Finding the Fourth Proportional to 123,332.37, 170,198.67 and 66,743.74

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Solution

The fourth proportional to 123,332.37, 170,198.67 and 66,743.74 is: 92,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.37 : 170,198.67 = 66,743.74 : x
  2. Step 2: Convert to fraction form
    123,332.37/170,198.67 = 66,743.74/x
  3. Step 3: Cross multiply
    123,332.37x = 170,198.67 × 66,743.74
  4. Step 4: Simplify right side
    123,332.37x = 11,359,695,741.29
  5. Step 5: Solve for x
    x = 11,359,695,741.29/123,332.37
  6. Step 6: Final answer
    x = 92,106.36

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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.