Home / 70,734.20-106,078.79-23,340.45

Finding the Fourth Proportional to 70,734.20, 106,078.79 and 23,340.45

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Solution

The fourth proportional to 70,734.20, 106,078.79 and 23,340.45 is: 35,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.20 : 106,078.79 = 23,340.45 : x
  2. Step 2: Convert to fraction form
    70,734.20/106,078.79 = 23,340.45/x
  3. Step 3: Cross multiply
    70,734.20x = 106,078.79 × 23,340.45
  4. Step 4: Simplify right side
    70,734.20x = 2,475,926,577.35
  5. Step 5: Solve for x
    x = 2,475,926,577.35/70,734.20
  6. Step 6: Final answer
    x = 35,003.25

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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.