Home / 43,187.72-64,635.26-26,558.28

Finding the Fourth Proportional to 43,187.72, 64,635.26 and 26,558.28

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Solution

The fourth proportional to 43,187.72, 64,635.26 and 26,558.28 is: 39,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.72 : 64,635.26 = 26,558.28 : x
  2. Step 2: Convert to fraction form
    43,187.72/64,635.26 = 26,558.28/x
  3. Step 3: Cross multiply
    43,187.72x = 64,635.26 × 26,558.28
  4. Step 4: Simplify right side
    43,187.72x = 1,716,601,332.95
  5. Step 5: Solve for x
    x = 1,716,601,332.95/43,187.72
  6. Step 6: Final answer
    x = 39,747.44

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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.