Home / 76,766.60-115,166.10-24,181.40

Finding the Fourth Proportional to 76,766.60, 115,166.10 and 24,181.40

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Solution

The fourth proportional to 76,766.60, 115,166.10 and 24,181.40 is: 36,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.60 : 115,166.10 = 24,181.40 : x
  2. Step 2: Convert to fraction form
    76,766.60/115,166.10 = 24,181.40/x
  3. Step 3: Cross multiply
    76,766.60x = 115,166.10 × 24,181.40
  4. Step 4: Simplify right side
    76,766.60x = 2,784,877,530.54
  5. Step 5: Solve for x
    x = 2,784,877,530.54/76,766.60
  6. Step 6: Final answer
    x = 36,277.20

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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.