Home / 51,398.20-77,102.70-16,329.70

Finding the Fourth Proportional to 51,398.20, 77,102.70 and 16,329.70

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Solution

The fourth proportional to 51,398.20, 77,102.70 and 16,329.70 is: 24,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.20 : 77,102.70 = 16,329.70 : x
  2. Step 2: Convert to fraction form
    51,398.20/77,102.70 = 16,329.70/x
  3. Step 3: Cross multiply
    51,398.20x = 77,102.70 × 16,329.70
  4. Step 4: Simplify right side
    51,398.20x = 1,259,063,960.19
  5. Step 5: Solve for x
    x = 1,259,063,960.19/51,398.20
  6. Step 6: Final answer
    x = 24,496.27

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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.