Home / 89,519.84-123,527.44-53,711.36

Finding the Fourth Proportional to 89,519.84, 123,527.44 and 53,711.36

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Solution

The fourth proportional to 89,519.84, 123,527.44 and 53,711.36 is: 74,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.84 : 123,527.44 = 53,711.36 : x
  2. Step 2: Convert to fraction form
    89,519.84/123,527.44 = 53,711.36/x
  3. Step 3: Cross multiply
    89,519.84x = 123,527.44 × 53,711.36
  4. Step 4: Simplify right side
    89,519.84x = 6,634,826,799.72
  5. Step 5: Solve for x
    x = 6,634,826,799.72/89,519.84
  6. Step 6: Final answer
    x = 74,115.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.