Home / 123,934.58-171,029.26-70,229.86

Finding the Fourth Proportional to 123,934.58, 171,029.26 and 70,229.86

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Solution

The fourth proportional to 123,934.58, 171,029.26 and 70,229.86 is: 96,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,934.58 : 171,029.26 = 70,229.86 : x
  2. Step 2: Convert to fraction form
    123,934.58/171,029.26 = 70,229.86/x
  3. Step 3: Cross multiply
    123,934.58x = 171,029.26 × 70,229.86
  4. Step 4: Simplify right side
    123,934.58x = 12,011,360,382.56
  5. Step 5: Solve for x
    x = 12,011,360,382.56/123,934.58
  6. Step 6: Final answer
    x = 96,916.94

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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.