Home / 91,845.39-126,765.30-53,084.87

Finding the Fourth Proportional to 91,845.39, 126,765.30 and 53,084.87

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Solution

The fourth proportional to 91,845.39, 126,765.30 and 53,084.87 is: 73,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,845.39 : 126,765.30 = 53,084.87 : x
  2. Step 2: Convert to fraction form
    91,845.39/126,765.30 = 53,084.87/x
  3. Step 3: Cross multiply
    91,845.39x = 126,765.30 × 53,084.87
  4. Step 4: Simplify right side
    91,845.39x = 6,729,319,063.72
  5. Step 5: Solve for x
    x = 6,729,319,063.72/91,845.39
  6. Step 6: Final answer
    x = 73,267.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.