Home / 43,143.99-64,731.47-16,867.59

Finding the Fourth Proportional to 43,143.99, 64,731.47 and 16,867.59

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Solution

The fourth proportional to 43,143.99, 64,731.47 and 16,867.59 is: 25,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.99 : 64,731.47 = 16,867.59 : x
  2. Step 2: Convert to fraction form
    43,143.99/64,731.47 = 16,867.59/x
  3. Step 3: Cross multiply
    43,143.99x = 64,731.47 × 16,867.59
  4. Step 4: Simplify right side
    43,143.99x = 1,091,863,811.72
  5. Step 5: Solve for x
    x = 1,091,863,811.72/43,143.99
  6. Step 6: Final answer
    x = 25,307.44

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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.