Home / 115,576.56-173,036.16-76,014.72

Finding the Fourth Proportional to 115,576.56, 173,036.16 and 76,014.72

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Solution

The fourth proportional to 115,576.56, 173,036.16 and 76,014.72 is: 113,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.56 : 173,036.16 = 76,014.72 : x
  2. Step 2: Convert to fraction form
    115,576.56/173,036.16 = 76,014.72/x
  3. Step 3: Cross multiply
    115,576.56x = 173,036.16 × 76,014.72
  4. Step 4: Simplify right side
    115,576.56x = 13,153,295,252.28
  5. Step 5: Solve for x
    x = 13,153,295,252.28/115,576.56
  6. Step 6: Final answer
    x = 113,805.91

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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.