Home / 84,439.37-126,702.84-37,087.78

Finding the Fourth Proportional to 84,439.37, 126,702.84 and 37,087.78

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Solution

The fourth proportional to 84,439.37, 126,702.84 and 37,087.78 is: 55,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,439.37 : 126,702.84 = 37,087.78 : x
  2. Step 2: Convert to fraction form
    84,439.37/126,702.84 = 37,087.78/x
  3. Step 3: Cross multiply
    84,439.37x = 126,702.84 × 37,087.78
  4. Step 4: Simplify right side
    84,439.37x = 4,699,126,738.54
  5. Step 5: Solve for x
    x = 4,699,126,738.54/84,439.37
  6. Step 6: Final answer
    x = 55,650.90

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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.