Home / 68,031.36-102,028.56-43,033.84

Finding the Fourth Proportional to 68,031.36, 102,028.56 and 43,033.84

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Solution

The fourth proportional to 68,031.36, 102,028.56 and 43,033.84 is: 64,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031.36 : 102,028.56 = 43,033.84 : x
  2. Step 2: Convert to fraction form
    68,031.36/102,028.56 = 43,033.84/x
  3. Step 3: Cross multiply
    68,031.36x = 102,028.56 × 43,033.84
  4. Step 4: Simplify right side
    68,031.36x = 4,390,680,726.47
  5. Step 5: Solve for x
    x = 4,390,680,726.47/68,031.36
  6. Step 6: Final answer
    x = 64,539.07

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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.