Home / 89,732.40-123,825.60-51,483.84

Finding the Fourth Proportional to 89,732.40, 123,825.60 and 51,483.84

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Solution

The fourth proportional to 89,732.40, 123,825.60 and 51,483.84 is: 71,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.40 : 123,825.60 = 51,483.84 : x
  2. Step 2: Convert to fraction form
    89,732.40/123,825.60 = 51,483.84/x
  3. Step 3: Cross multiply
    89,732.40x = 123,825.60 × 51,483.84
  4. Step 4: Simplify right side
    89,732.40x = 6,375,017,378.30
  5. Step 5: Solve for x
    x = 6,375,017,378.30/89,732.40
  6. Step 6: Final answer
    x = 71,044.77

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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.