Home / 116,989.22-175,513.12-67,125.62

Finding the Fourth Proportional to 116,989.22, 175,513.12 and 67,125.62

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Solution

The fourth proportional to 116,989.22, 175,513.12 and 67,125.62 is: 100,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,989.22 : 175,513.12 = 67,125.62 : x
  2. Step 2: Convert to fraction form
    116,989.22/175,513.12 = 67,125.62/x
  3. Step 3: Cross multiply
    116,989.22x = 175,513.12 × 67,125.62
  4. Step 4: Simplify right side
    116,989.22x = 11,781,426,998.13
  5. Step 5: Solve for x
    x = 11,781,426,998.13/116,989.22
  6. Step 6: Final answer
    x = 100,705.24

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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.