Home / 84,470.34-126,709.73-25,300.38

Finding the Fourth Proportional to 84,470.34, 126,709.73 and 25,300.38

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Solution

The fourth proportional to 84,470.34, 126,709.73 and 25,300.38 is: 37,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,470.34 : 126,709.73 = 25,300.38 : x
  2. Step 2: Convert to fraction form
    84,470.34/126,709.73 = 25,300.38/x
  3. Step 3: Cross multiply
    84,470.34x = 126,709.73 × 25,300.38
  4. Step 4: Simplify right side
    84,470.34x = 3,205,803,906.79
  5. Step 5: Solve for x
    x = 3,205,803,906.79/84,470.34
  6. Step 6: Final answer
    x = 37,951.83

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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.