Home / 43,178.82-64,770.54-13,598.96

Finding the Fourth Proportional to 43,178.82, 64,770.54 and 13,598.96

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Solution

The fourth proportional to 43,178.82, 64,770.54 and 13,598.96 is: 20,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.82 : 64,770.54 = 13,598.96 : x
  2. Step 2: Convert to fraction form
    43,178.82/64,770.54 = 13,598.96/x
  3. Step 3: Cross multiply
    43,178.82x = 64,770.54 × 13,598.96
  4. Step 4: Simplify right side
    43,178.82x = 880,811,590.79
  5. Step 5: Solve for x
    x = 880,811,590.79/43,178.82
  6. Step 6: Final answer
    x = 20,399.16

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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.