Home / 104,387.47-156,528.79-51,083.44

Finding the Fourth Proportional to 104,387.47, 156,528.79 and 51,083.44

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Solution

The fourth proportional to 104,387.47, 156,528.79 and 51,083.44 is: 76,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,387.47 : 156,528.79 = 51,083.44 : x
  2. Step 2: Convert to fraction form
    104,387.47/156,528.79 = 51,083.44/x
  3. Step 3: Cross multiply
    104,387.47x = 156,528.79 × 51,083.44
  4. Step 4: Simplify right side
    104,387.47x = 7,996,028,533.21
  5. Step 5: Solve for x
    x = 7,996,028,533.21/104,387.47
  6. Step 6: Final answer
    x = 76,599.51

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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.