Home / 75,359.70-113,034.06-30,384.09

Finding the Fourth Proportional to 75,359.70, 113,034.06 and 30,384.09

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Solution

The fourth proportional to 75,359.70, 113,034.06 and 30,384.09 is: 45,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.70 : 113,034.06 = 30,384.09 : x
  2. Step 2: Convert to fraction form
    75,359.70/113,034.06 = 30,384.09/x
  3. Step 3: Cross multiply
    75,359.70x = 113,034.06 × 30,384.09
  4. Step 4: Simplify right side
    75,359.70x = 3,434,437,052.11
  5. Step 5: Solve for x
    x = 3,434,437,052.11/75,359.70
  6. Step 6: Final answer
    x = 45,573.92

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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.