Home / 75,115.07-103,658.83-41,125.76

Finding the Fourth Proportional to 75,115.07, 103,658.83 and 41,125.76

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Solution

The fourth proportional to 75,115.07, 103,658.83 and 41,125.76 is: 56,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,115.07 : 103,658.83 = 41,125.76 : x
  2. Step 2: Convert to fraction form
    75,115.07/103,658.83 = 41,125.76/x
  3. Step 3: Cross multiply
    75,115.07x = 103,658.83 × 41,125.76
  4. Step 4: Simplify right side
    75,115.07x = 4,263,047,932.07
  5. Step 5: Solve for x
    x = 4,263,047,932.07/75,115.07
  6. Step 6: Final answer
    x = 56,753.56

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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.