Home / 89,725.44-123,825.28-52,011.52

Finding the Fourth Proportional to 89,725.44, 123,825.28 and 52,011.52

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Solution

The fourth proportional to 89,725.44, 123,825.28 and 52,011.52 is: 71,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,725.44 : 123,825.28 = 52,011.52 : x
  2. Step 2: Convert to fraction form
    89,725.44/123,825.28 = 52,011.52/x
  3. Step 3: Cross multiply
    89,725.44x = 123,825.28 × 52,011.52
  4. Step 4: Simplify right side
    89,725.44x = 6,440,341,027.23
  5. Step 5: Solve for x
    x = 6,440,341,027.23/89,725.44
  6. Step 6: Final answer
    x = 71,778.32

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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.