Home / 68,132.48-102,264.64-49,176.66

Finding the Fourth Proportional to 68,132.48, 102,264.64 and 49,176.66

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Solution

The fourth proportional to 68,132.48, 102,264.64 and 49,176.66 is: 73,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,132.48 : 102,264.64 = 49,176.66 : x
  2. Step 2: Convert to fraction form
    68,132.48/102,264.64 = 49,176.66/x
  3. Step 3: Cross multiply
    68,132.48x = 102,264.64 × 49,176.66
  4. Step 4: Simplify right side
    68,132.48x = 5,029,033,308.36
  5. Step 5: Solve for x
    x = 5,029,033,308.36/68,132.48
  6. Step 6: Final answer
    x = 73,812.57

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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.