Home / 43,140.42-64,716.30-15,060.96

Finding the Fourth Proportional to 43,140.42, 64,716.30 and 15,060.96

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Solution

The fourth proportional to 43,140.42, 64,716.30 and 15,060.96 is: 22,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.42 : 64,716.30 = 15,060.96 : x
  2. Step 2: Convert to fraction form
    43,140.42/64,716.30 = 15,060.96/x
  3. Step 3: Cross multiply
    43,140.42x = 64,716.30 × 15,060.96
  4. Step 4: Simplify right side
    43,140.42x = 974,689,605.65
  5. Step 5: Solve for x
    x = 974,689,605.65/43,140.42
  6. Step 6: Final answer
    x = 22,593.42

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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.