Home / 76,076.80-114,020.16-52,515.52

Finding the Fourth Proportional to 76,076.80, 114,020.16 and 52,515.52

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Solution

The fourth proportional to 76,076.80, 114,020.16 and 52,515.52 is: 78,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,076.80 : 114,020.16 = 52,515.52 : x
  2. Step 2: Convert to fraction form
    76,076.80/114,020.16 = 52,515.52/x
  3. Step 3: Cross multiply
    76,076.80x = 114,020.16 × 52,515.52
  4. Step 4: Simplify right side
    76,076.80x = 5,987,827,992.88
  5. Step 5: Solve for x
    x = 5,987,827,992.88/76,076.80
  6. Step 6: Final answer
    x = 78,707.67

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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.