Home / 76,560.01-114,839.76-19,633.86

Finding the Fourth Proportional to 76,560.01, 114,839.76 and 19,633.86

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Solution

The fourth proportional to 76,560.01, 114,839.76 and 19,633.86 is: 29,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560.01 : 114,839.76 = 19,633.86 : x
  2. Step 2: Convert to fraction form
    76,560.01/114,839.76 = 19,633.86/x
  3. Step 3: Cross multiply
    76,560.01x = 114,839.76 × 19,633.86
  4. Step 4: Simplify right side
    76,560.01x = 2,254,747,770.27
  5. Step 5: Solve for x
    x = 2,254,747,770.27/76,560.01
  6. Step 6: Final answer
    x = 29,450.72

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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.