Home / 89,829.88-123,963.78-51,590.24

Finding the Fourth Proportional to 89,829.88, 123,963.78 and 51,590.24

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Solution

The fourth proportional to 89,829.88, 123,963.78 and 51,590.24 is: 71,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,829.88 : 123,963.78 = 51,590.24 : x
  2. Step 2: Convert to fraction form
    89,829.88/123,963.78 = 51,590.24/x
  3. Step 3: Cross multiply
    89,829.88x = 123,963.78 × 51,590.24
  4. Step 4: Simplify right side
    89,829.88x = 6,395,321,161.51
  5. Step 5: Solve for x
    x = 6,395,321,161.51/89,829.88
  6. Step 6: Final answer
    x = 71,193.70

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1.5x scale

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.