Home / 89,564.74-123,617-51,349.94

Finding the Fourth Proportional to 89,564.74, 123,617 and 51,349.94

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Solution

The fourth proportional to 89,564.74, 123,617 and 51,349.94 is: 70,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,564.74 : 123,617 = 51,349.94 : x
  2. Step 2: Convert to fraction form
    89,564.74/123,617 = 51,349.94/x
  3. Step 3: Cross multiply
    89,564.74x = 123,617 × 51,349.94
  4. Step 4: Simplify right side
    89,564.74x = 6,347,725,532.98
  5. Step 5: Solve for x
    x = 6,347,725,532.98/89,564.74
  6. Step 6: Final answer
    x = 70,873.04

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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.