Home / 75,360.38-113,037.22-30,986.15

Finding the Fourth Proportional to 75,360.38, 113,037.22 and 30,986.15

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Solution

The fourth proportional to 75,360.38, 113,037.22 and 30,986.15 is: 46,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.38 : 113,037.22 = 30,986.15 : x
  2. Step 2: Convert to fraction form
    75,360.38/113,037.22 = 30,986.15/x
  3. Step 3: Cross multiply
    75,360.38x = 113,037.22 × 30,986.15
  4. Step 4: Simplify right side
    75,360.38x = 3,502,587,728.05
  5. Step 5: Solve for x
    x = 3,502,587,728.05/75,360.38
  6. Step 6: Final answer
    x = 46,477.84

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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.