Home / 43,525.01-65,272.64-28,635.80

Finding the Fourth Proportional to 43,525.01, 65,272.64 and 28,635.80

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Solution

The fourth proportional to 43,525.01, 65,272.64 and 28,635.80 is: 42,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,525.01 : 65,272.64 = 28,635.80 : x
  2. Step 2: Convert to fraction form
    43,525.01/65,272.64 = 28,635.80/x
  3. Step 3: Cross multiply
    43,525.01x = 65,272.64 × 28,635.80
  4. Step 4: Simplify right side
    43,525.01x = 1,869,133,794.97
  5. Step 5: Solve for x
    x = 1,869,133,794.97/43,525.01
  6. Step 6: Final answer
    x = 42,943.90

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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.