Home / 75,576.12-113,315.58-36,132.36

Finding the Fourth Proportional to 75,576.12, 113,315.58 and 36,132.36

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Solution

The fourth proportional to 75,576.12, 113,315.58 and 36,132.36 is: 54,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,576.12 : 113,315.58 = 36,132.36 : x
  2. Step 2: Convert to fraction form
    75,576.12/113,315.58 = 36,132.36/x
  3. Step 3: Cross multiply
    75,576.12x = 113,315.58 × 36,132.36
  4. Step 4: Simplify right side
    75,576.12x = 4,094,359,330.17
  5. Step 5: Solve for x
    x = 4,094,359,330.17/75,576.12
  6. Step 6: Final answer
    x = 54,175.30

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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.