Home / 75,456.84-113,146.38-51,800.52

Finding the Fourth Proportional to 75,456.84, 113,146.38 and 51,800.52

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Solution

The fourth proportional to 75,456.84, 113,146.38 and 51,800.52 is: 77,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456.84 : 113,146.38 = 51,800.52 : x
  2. Step 2: Convert to fraction form
    75,456.84/113,146.38 = 51,800.52/x
  3. Step 3: Cross multiply
    75,456.84x = 113,146.38 × 51,800.52
  4. Step 4: Simplify right side
    75,456.84x = 5,861,041,320.12
  5. Step 5: Solve for x
    x = 5,861,041,320.12/75,456.84
  6. Step 6: Final answer
    x = 77,674.09

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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.