Home / 104,788.71-157,234.10-52,205.94

Finding the Fourth Proportional to 104,788.71, 157,234.10 and 52,205.94

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Solution

The fourth proportional to 104,788.71, 157,234.10 and 52,205.94 is: 78,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,788.71 : 157,234.10 = 52,205.94 : x
  2. Step 2: Convert to fraction form
    104,788.71/157,234.10 = 52,205.94/x
  3. Step 3: Cross multiply
    104,788.71x = 157,234.10 × 52,205.94
  4. Step 4: Simplify right side
    104,788.71x = 8,208,553,729.52
  5. Step 5: Solve for x
    x = 8,208,553,729.52/104,788.71
  6. Step 6: Final answer
    x = 78,334.33

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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.