Home / 104,815.83-157,221.89-25,930.05

Finding the Fourth Proportional to 104,815.83, 157,221.89 and 25,930.05

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Solution

The fourth proportional to 104,815.83, 157,221.89 and 25,930.05 is: 38,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.83 : 157,221.89 = 25,930.05 : x
  2. Step 2: Convert to fraction form
    104,815.83/157,221.89 = 25,930.05/x
  3. Step 3: Cross multiply
    104,815.83x = 157,221.89 × 25,930.05
  4. Step 4: Simplify right side
    104,815.83x = 4,076,771,339.14
  5. Step 5: Solve for x
    x = 4,076,771,339.14/104,815.83
  6. Step 6: Final answer
    x = 38,894.61

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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.