Home / 123,733.32-170,755.29-67,144.74

Finding the Fourth Proportional to 123,733.32, 170,755.29 and 67,144.74

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Solution

The fourth proportional to 123,733.32, 170,755.29 and 67,144.74 is: 92,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,733.32 : 170,755.29 = 67,144.74 : x
  2. Step 2: Convert to fraction form
    123,733.32/170,755.29 = 67,144.74/x
  3. Step 3: Cross multiply
    123,733.32x = 170,755.29 × 67,144.74
  4. Step 4: Simplify right side
    123,733.32x = 11,465,319,550.67
  5. Step 5: Solve for x
    x = 11,465,319,550.67/123,733.32
  6. Step 6: Final answer
    x = 92,661.54

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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.