Home / 70,617.20-105,891.60-41,043.56

Finding the Fourth Proportional to 70,617.20, 105,891.60 and 41,043.56

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Solution

The fourth proportional to 70,617.20, 105,891.60 and 41,043.56 is: 61,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,617.20 : 105,891.60 = 41,043.56 : x
  2. Step 2: Convert to fraction form
    70,617.20/105,891.60 = 41,043.56/x
  3. Step 3: Cross multiply
    70,617.20x = 105,891.60 × 41,043.56
  4. Step 4: Simplify right side
    70,617.20x = 4,346,168,238.10
  5. Step 5: Solve for x
    x = 4,346,168,238.10/70,617.20
  6. Step 6: Final answer
    x = 61,545.46

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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.