Home / 75,187.58-103,758.80-41,198.28

Finding the Fourth Proportional to 75,187.58, 103,758.80 and 41,198.28

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Solution

The fourth proportional to 75,187.58, 103,758.80 and 41,198.28 is: 56,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.58 : 103,758.80 = 41,198.28 : x
  2. Step 2: Convert to fraction form
    75,187.58/103,758.80 = 41,198.28/x
  3. Step 3: Cross multiply
    75,187.58x = 103,758.80 × 41,198.28
  4. Step 4: Simplify right side
    75,187.58x = 4,274,684,094.86
  5. Step 5: Solve for x
    x = 4,274,684,094.86/75,187.58
  6. Step 6: Final answer
    x = 56,853.59

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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.