Home / 125,910.09-173,755.61-69,321.46

Finding the Fourth Proportional to 125,910.09, 173,755.61 and 69,321.46

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Solution

The fourth proportional to 125,910.09, 173,755.61 and 69,321.46 is: 95,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,910.09 : 173,755.61 = 69,321.46 : x
  2. Step 2: Convert to fraction form
    125,910.09/173,755.61 = 69,321.46/x
  3. Step 3: Cross multiply
    125,910.09x = 173,755.61 × 69,321.46
  4. Step 4: Simplify right side
    125,910.09x = 12,044,992,221.78
  5. Step 5: Solve for x
    x = 12,044,992,221.78/125,910.09
  6. Step 6: Final answer
    x = 95,663.44

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1.5x scale

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.