Home / 115,819.92-173,731.71-45,698.62

Finding the Fourth Proportional to 115,819.92, 173,731.71 and 45,698.62

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Solution

The fourth proportional to 115,819.92, 173,731.71 and 45,698.62 is: 68,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819.92 : 173,731.71 = 45,698.62 : x
  2. Step 2: Convert to fraction form
    115,819.92/173,731.71 = 45,698.62/x
  3. Step 3: Cross multiply
    115,819.92x = 173,731.71 × 45,698.62
  4. Step 4: Simplify right side
    115,819.92x = 7,939,299,397.24
  5. Step 5: Solve for x
    x = 7,939,299,397.24/115,819.92
  6. Step 6: Final answer
    x = 68,548.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.