Home / 129,733.45-194,593.19-49,809.74

Finding the Fourth Proportional to 129,733.45, 194,593.19 and 49,809.74

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Solution

The fourth proportional to 129,733.45, 194,593.19 and 49,809.74 is: 74,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,733.45 : 194,593.19 = 49,809.74 : x
  2. Step 2: Convert to fraction form
    129,733.45/194,593.19 = 49,809.74/x
  3. Step 3: Cross multiply
    129,733.45x = 194,593.19 × 49,809.74
  4. Step 4: Simplify right side
    129,733.45x = 9,692,634,977.66
  5. Step 5: Solve for x
    x = 9,692,634,977.66/129,733.45
  6. Step 6: Final answer
    x = 74,711.92

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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.