Home / 75,951.20-113,708.10-46,426.70

Finding the Fourth Proportional to 75,951.20, 113,708.10 and 46,426.70

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Solution

The fourth proportional to 75,951.20, 113,708.10 and 46,426.70 is: 69,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,951.20 : 113,708.10 = 46,426.70 : x
  2. Step 2: Convert to fraction form
    75,951.20/113,708.10 = 46,426.70/x
  3. Step 3: Cross multiply
    75,951.20x = 113,708.10 × 46,426.70
  4. Step 4: Simplify right side
    75,951.20x = 5,279,091,846.27
  5. Step 5: Solve for x
    x = 5,279,091,846.27/75,951.20
  6. Step 6: Final answer
    x = 69,506.37

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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.