Home / 84,190.49-126,349.98-30,932.96

Finding the Fourth Proportional to 84,190.49, 126,349.98 and 30,932.96

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Solution

The fourth proportional to 84,190.49, 126,349.98 and 30,932.96 is: 46,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,190.49 : 126,349.98 = 30,932.96 : x
  2. Step 2: Convert to fraction form
    84,190.49/126,349.98 = 30,932.96/x
  3. Step 3: Cross multiply
    84,190.49x = 126,349.98 × 30,932.96
  4. Step 4: Simplify right side
    84,190.49x = 3,908,378,129.59
  5. Step 5: Solve for x
    x = 3,908,378,129.59/84,190.49
  6. Step 6: Final answer
    x = 46,423.04

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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.