Home / 75,914.50-113,941.19-38,500.39

Finding the Fourth Proportional to 75,914.50, 113,941.19 and 38,500.39

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Solution

The fourth proportional to 75,914.50, 113,941.19 and 38,500.39 is: 57,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.50 : 113,941.19 = 38,500.39 : x
  2. Step 2: Convert to fraction form
    75,914.50/113,941.19 = 38,500.39/x
  3. Step 3: Cross multiply
    75,914.50x = 113,941.19 × 38,500.39
  4. Step 4: Simplify right side
    75,914.50x = 4,386,780,252.06
  5. Step 5: Solve for x
    x = 4,386,780,252.06/75,914.50
  6. Step 6: Final answer
    x = 57,785.80

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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.