Home / 43,156.55-64,742.99-16,859.63

Finding the Fourth Proportional to 43,156.55, 64,742.99 and 16,859.63

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Solution

The fourth proportional to 43,156.55, 64,742.99 and 16,859.63 is: 25,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.55 : 64,742.99 = 16,859.63 : x
  2. Step 2: Convert to fraction form
    43,156.55/64,742.99 = 16,859.63/x
  3. Step 3: Cross multiply
    43,156.55x = 64,742.99 × 16,859.63
  4. Step 4: Simplify right side
    43,156.55x = 1,091,542,448.48
  5. Step 5: Solve for x
    x = 1,091,542,448.48/43,156.55
  6. Step 6: Final answer
    x = 25,292.63

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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.