Home / 89,656.92-123,725.40-51,934.68

Finding the Fourth Proportional to 89,656.92, 123,725.40 and 51,934.68

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Solution

The fourth proportional to 89,656.92, 123,725.40 and 51,934.68 is: 71,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.92 : 123,725.40 = 51,934.68 : x
  2. Step 2: Convert to fraction form
    89,656.92/123,725.40 = 51,934.68/x
  3. Step 3: Cross multiply
    89,656.92x = 123,725.40 × 51,934.68
  4. Step 4: Simplify right side
    89,656.92x = 6,425,639,056.87
  5. Step 5: Solve for x
    x = 6,425,639,056.87/89,656.92
  6. Step 6: Final answer
    x = 71,669.19

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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.