Home / 54,186.30-81,279.45-44,336.70

Finding the Fourth Proportional to 54,186.30, 81,279.45 and 44,336.70

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Solution

The fourth proportional to 54,186.30, 81,279.45 and 44,336.70 is: 66,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.30 : 81,279.45 = 44,336.70 : x
  2. Step 2: Convert to fraction form
    54,186.30/81,279.45 = 44,336.70/x
  3. Step 3: Cross multiply
    54,186.30x = 81,279.45 × 44,336.70
  4. Step 4: Simplify right side
    54,186.30x = 3,603,662,590.82
  5. Step 5: Solve for x
    x = 3,603,662,590.82/54,186.30
  6. Step 6: Final answer
    x = 66,505.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.