Home / 51,170.34-76,612.12-38,650.98

Finding the Fourth Proportional to 51,170.34, 76,612.12 and 38,650.98

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Solution

The fourth proportional to 51,170.34, 76,612.12 and 38,650.98 is: 57,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.34 : 76,612.12 = 38,650.98 : x
  2. Step 2: Convert to fraction form
    51,170.34/76,612.12 = 38,650.98/x
  3. Step 3: Cross multiply
    51,170.34x = 76,612.12 × 38,650.98
  4. Step 4: Simplify right side
    51,170.34x = 2,961,133,517.88
  5. Step 5: Solve for x
    x = 2,961,133,517.88/51,170.34
  6. Step 6: Final answer
    x = 57,868.16

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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.