Home / 75,676.74-113,515.09-35,146.14

Finding the Fourth Proportional to 75,676.74, 113,515.09 and 35,146.14

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Solution

The fourth proportional to 75,676.74, 113,515.09 and 35,146.14 is: 52,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.74 : 113,515.09 = 35,146.14 : x
  2. Step 2: Convert to fraction form
    75,676.74/113,515.09 = 35,146.14/x
  3. Step 3: Cross multiply
    75,676.74x = 113,515.09 × 35,146.14
  4. Step 4: Simplify right side
    75,676.74x = 3,989,617,245.25
  5. Step 5: Solve for x
    x = 3,989,617,245.25/75,676.74
  6. Step 6: Final answer
    x = 52,719.20

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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.