Home / 43,134.18-64,700.88-11,969.42

Finding the Fourth Proportional to 43,134.18, 64,700.88 and 11,969.42

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Solution

The fourth proportional to 43,134.18, 64,700.88 and 11,969.42 is: 17,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134.18 : 64,700.88 = 11,969.42 : x
  2. Step 2: Convert to fraction form
    43,134.18/64,700.88 = 11,969.42/x
  3. Step 3: Cross multiply
    43,134.18x = 64,700.88 × 11,969.42
  4. Step 4: Simplify right side
    43,134.18x = 774,432,007.09
  5. Step 5: Solve for x
    x = 774,432,007.09/43,134.18
  6. Step 6: Final answer
    x = 17,954.02

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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.