Home / 82,336.88-123,330.36-47,189.36

Finding the Fourth Proportional to 82,336.88, 123,330.36 and 47,189.36

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Solution

The fourth proportional to 82,336.88, 123,330.36 and 47,189.36 is: 70,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,336.88 : 123,330.36 = 47,189.36 : x
  2. Step 2: Convert to fraction form
    82,336.88/123,330.36 = 47,189.36/x
  3. Step 3: Cross multiply
    82,336.88x = 123,330.36 × 47,189.36
  4. Step 4: Simplify right side
    82,336.88x = 5,819,880,756.97
  5. Step 5: Solve for x
    x = 5,819,880,756.97/82,336.88
  6. Step 6: Final answer
    x = 70,683.77

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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.