Home / 43,236.36-64,854.72-12,071.52

Finding the Fourth Proportional to 43,236.36, 64,854.72 and 12,071.52

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Solution

The fourth proportional to 43,236.36, 64,854.72 and 12,071.52 is: 18,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.36 : 64,854.72 = 12,071.52 : x
  2. Step 2: Convert to fraction form
    43,236.36/64,854.72 = 12,071.52/x
  3. Step 3: Cross multiply
    43,236.36x = 64,854.72 × 12,071.52
  4. Step 4: Simplify right side
    43,236.36x = 782,895,049.57
  5. Step 5: Solve for x
    x = 782,895,049.57/43,236.36
  6. Step 6: Final answer
    x = 18,107.33

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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.