Home / 68,349.46-102,523.56-21,602.36

Finding the Fourth Proportional to 68,349.46, 102,523.56 and 21,602.36

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Solution

The fourth proportional to 68,349.46, 102,523.56 and 21,602.36 is: 32,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.46 : 102,523.56 = 21,602.36 : x
  2. Step 2: Convert to fraction form
    68,349.46/102,523.56 = 21,602.36/x
  3. Step 3: Cross multiply
    68,349.46x = 102,523.56 × 21,602.36
  4. Step 4: Simplify right side
    68,349.46x = 2,214,750,851.60
  5. Step 5: Solve for x
    x = 2,214,750,851.60/68,349.46
  6. Step 6: Final answer
    x = 32,403.34

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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.