Home / 68,116.57-93,882.76-64,179.97

Finding the Fourth Proportional to 68,116.57, 93,882.76 and 64,179.97

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Solution

The fourth proportional to 68,116.57, 93,882.76 and 64,179.97 is: 88,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116.57 : 93,882.76 = 64,179.97 : x
  2. Step 2: Convert to fraction form
    68,116.57/93,882.76 = 64,179.97/x
  3. Step 3: Cross multiply
    68,116.57x = 93,882.76 × 64,179.97
  4. Step 4: Simplify right side
    68,116.57x = 6,025,392,720.32
  5. Step 5: Solve for x
    x = 6,025,392,720.32/68,116.57
  6. Step 6: Final answer
    x = 88,457.08

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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.