Home / 68,055.08-102,069.29-64,679.49

Finding the Fourth Proportional to 68,055.08, 102,069.29 and 64,679.49

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Solution

The fourth proportional to 68,055.08, 102,069.29 and 64,679.49 is: 97,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,055.08 : 102,069.29 = 64,679.49 : x
  2. Step 2: Convert to fraction form
    68,055.08/102,069.29 = 64,679.49/x
  3. Step 3: Cross multiply
    68,055.08x = 102,069.29 × 64,679.49
  4. Step 4: Simplify right side
    68,055.08x = 6,601,789,783.56
  5. Step 5: Solve for x
    x = 6,601,789,783.56/68,055.08
  6. Step 6: Final answer
    x = 97,006.58

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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.