Home / 89,624.54-123,668.16-51,891.50

Finding the Fourth Proportional to 89,624.54, 123,668.16 and 51,891.50

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Solution

The fourth proportional to 89,624.54, 123,668.16 and 51,891.50 is: 71,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.54 : 123,668.16 = 51,891.50 : x
  2. Step 2: Convert to fraction form
    89,624.54/123,668.16 = 51,891.50/x
  3. Step 3: Cross multiply
    89,624.54x = 123,668.16 × 51,891.50
  4. Step 4: Simplify right side
    89,624.54x = 6,417,326,324.64
  5. Step 5: Solve for x
    x = 6,417,326,324.64/89,624.54
  6. Step 6: Final answer
    x = 71,602.33

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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.