Home / 75,818.81-113,491.56-55,850.81

Finding the Fourth Proportional to 75,818.81, 113,491.56 and 55,850.81

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Solution

The fourth proportional to 75,818.81, 113,491.56 and 55,850.81 is: 83,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.81 : 113,491.56 = 55,850.81 : x
  2. Step 2: Convert to fraction form
    75,818.81/113,491.56 = 55,850.81/x
  3. Step 3: Cross multiply
    75,818.81x = 113,491.56 × 55,850.81
  4. Step 4: Simplify right side
    75,818.81x = 6,338,595,554.16
  5. Step 5: Solve for x
    x = 6,338,595,554.16/75,818.81
  6. Step 6: Final answer
    x = 83,601.89

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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.