Home / 125,976.37-173,847.38-69,387.74

Finding the Fourth Proportional to 125,976.37, 173,847.38 and 69,387.74

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Solution

The fourth proportional to 125,976.37, 173,847.38 and 69,387.74 is: 95,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976.37 : 173,847.38 = 69,387.74 : x
  2. Step 2: Convert to fraction form
    125,976.37/173,847.38 = 69,387.74/x
  3. Step 3: Cross multiply
    125,976.37x = 173,847.38 × 69,387.74
  4. Step 4: Simplify right side
    125,976.37x = 12,062,876,890.80
  5. Step 5: Solve for x
    x = 12,062,876,890.80/125,976.37
  6. Step 6: Final answer
    x = 95,755.08

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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.