Home / 43,116.39-64,674.63-13,536.54

Finding the Fourth Proportional to 43,116.39, 64,674.63 and 13,536.54

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Solution

The fourth proportional to 43,116.39, 64,674.63 and 13,536.54 is: 20,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,116.39 : 64,674.63 = 13,536.54 : x
  2. Step 2: Convert to fraction form
    43,116.39/64,674.63 = 13,536.54/x
  3. Step 3: Cross multiply
    43,116.39x = 64,674.63 × 13,536.54
  4. Step 4: Simplify right side
    43,116.39x = 875,470,715.98
  5. Step 5: Solve for x
    x = 875,470,715.98/43,116.39
  6. Step 6: Final answer
    x = 20,304.82

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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.