Home / 76,778.10-114,907.04-47,214.66

Finding the Fourth Proportional to 76,778.10, 114,907.04 and 47,214.66

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Solution

The fourth proportional to 76,778.10, 114,907.04 and 47,214.66 is: 70,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,778.10 : 114,907.04 = 47,214.66 : x
  2. Step 2: Convert to fraction form
    76,778.10/114,907.04 = 47,214.66/x
  3. Step 3: Cross multiply
    76,778.10x = 114,907.04 × 47,214.66
  4. Step 4: Simplify right side
    76,778.10x = 5,425,296,825.21
  5. Step 5: Solve for x
    x = 5,425,296,825.21/76,778.10
  6. Step 6: Final answer
    x = 70,662.04

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1.5x scale

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.