Home / 104,535.61-144,260.37-56,789.71

Finding the Fourth Proportional to 104,535.61, 144,260.37 and 56,789.71

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Solution

The fourth proportional to 104,535.61, 144,260.37 and 56,789.71 is: 78,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,535.61 : 144,260.37 = 56,789.71 : x
  2. Step 2: Convert to fraction form
    104,535.61/144,260.37 = 56,789.71/x
  3. Step 3: Cross multiply
    104,535.61x = 144,260.37 × 56,789.71
  4. Step 4: Simplify right side
    104,535.61x = 8,192,504,576.79
  5. Step 5: Solve for x
    x = 8,192,504,576.79/104,535.61
  6. Step 6: Final answer
    x = 78,370.47

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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.