Home / 43,105.24-64,657.81-13,525.36

Finding the Fourth Proportional to 43,105.24, 64,657.81 and 13,525.36

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Solution

The fourth proportional to 43,105.24, 64,657.81 and 13,525.36 is: 20,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.24 : 64,657.81 = 13,525.36 : x
  2. Step 2: Convert to fraction form
    43,105.24/64,657.81 = 13,525.36/x
  3. Step 3: Cross multiply
    43,105.24x = 64,657.81 × 13,525.36
  4. Step 4: Simplify right side
    43,105.24x = 874,520,157.06
  5. Step 5: Solve for x
    x = 874,520,157.06/43,105.24
  6. Step 6: Final answer
    x = 20,288.02

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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.