Home / 73,097.03-109,689.29-67,148.39

Finding the Fourth Proportional to 73,097.03, 109,689.29 and 67,148.39

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Solution

The fourth proportional to 73,097.03, 109,689.29 and 67,148.39 is: 100,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,097.03 : 109,689.29 = 67,148.39 : x
  2. Step 2: Convert to fraction form
    73,097.03/109,689.29 = 67,148.39/x
  3. Step 3: Cross multiply
    73,097.03x = 109,689.29 × 67,148.39
  4. Step 4: Simplify right side
    73,097.03x = 7,365,459,414.03
  5. Step 5: Solve for x
    x = 7,365,459,414.03/73,097.03
  6. Step 6: Final answer
    x = 100,762.77

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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.