Home / 78,819.84-118,229.76-52,575.84

Finding the Fourth Proportional to 78,819.84, 118,229.76 and 52,575.84

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Solution

The fourth proportional to 78,819.84, 118,229.76 and 52,575.84 is: 78,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,819.84 : 118,229.76 = 52,575.84 : x
  2. Step 2: Convert to fraction form
    78,819.84/118,229.76 = 52,575.84/x
  3. Step 3: Cross multiply
    78,819.84x = 118,229.76 × 52,575.84
  4. Step 4: Simplify right side
    78,819.84x = 6,216,028,945.00
  5. Step 5: Solve for x
    x = 6,216,028,945.00/78,819.84
  6. Step 6: Final answer
    x = 78,863.76

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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.