Home / 105,576.00-145,694.16-57,176.82

Finding the Fourth Proportional to 105,576.00, 145,694.16 and 57,176.82

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Solution

The fourth proportional to 105,576.00, 145,694.16 and 57,176.82 is: 78,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.00 : 145,694.16 = 57,176.82 : x
  2. Step 2: Convert to fraction form
    105,576.00/145,694.16 = 57,176.82/x
  3. Step 3: Cross multiply
    105,576.00x = 145,694.16 × 57,176.82
  4. Step 4: Simplify right side
    105,576.00x = 8,330,328,883.21
  5. Step 5: Solve for x
    x = 8,330,328,883.21/105,576.00
  6. Step 6: Final answer
    x = 78,903.62

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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.