Home / 75,249.38-103,860.34-45,041.44

Finding the Fourth Proportional to 75,249.38, 103,860.34 and 45,041.44

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Solution

The fourth proportional to 75,249.38, 103,860.34 and 45,041.44 is: 62,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.38 : 103,860.34 = 45,041.44 : x
  2. Step 2: Convert to fraction form
    75,249.38/103,860.34 = 45,041.44/x
  3. Step 3: Cross multiply
    75,249.38x = 103,860.34 × 45,041.44
  4. Step 4: Simplify right side
    75,249.38x = 4,678,018,900.24
  5. Step 5: Solve for x
    x = 4,678,018,900.24/75,249.38
  6. Step 6: Final answer
    x = 62,166.88

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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.