Home / 76,176.12-114,264.36-26,257.44

Finding the Fourth Proportional to 76,176.12, 114,264.36 and 26,257.44

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Solution

The fourth proportional to 76,176.12, 114,264.36 and 26,257.44 is: 39,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.12 : 114,264.36 = 26,257.44 : x
  2. Step 2: Convert to fraction form
    76,176.12/114,264.36 = 26,257.44/x
  3. Step 3: Cross multiply
    76,176.12x = 114,264.36 × 26,257.44
  4. Step 4: Simplify right side
    76,176.12x = 3,000,289,576.84
  5. Step 5: Solve for x
    x = 3,000,289,576.84/76,176.12
  6. Step 6: Final answer
    x = 39,386.22

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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.