Home / 75,676.24-113,514.34-35,145.64

Finding the Fourth Proportional to 75,676.24, 113,514.34 and 35,145.64

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Solution

The fourth proportional to 75,676.24, 113,514.34 and 35,145.64 is: 52,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.24 : 113,514.34 = 35,145.64 : x
  2. Step 2: Convert to fraction form
    75,676.24/113,514.34 = 35,145.64/x
  3. Step 3: Cross multiply
    75,676.24x = 113,514.34 × 35,145.64
  4. Step 4: Simplify right side
    75,676.24x = 3,989,534,128.48
  5. Step 5: Solve for x
    x = 3,989,534,128.48/75,676.24
  6. Step 6: Final answer
    x = 52,718.45

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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.