Home / 43,357.84-65,042.95-13,374.61

Finding the Fourth Proportional to 43,357.84, 65,042.95 and 13,374.61

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Solution

The fourth proportional to 43,357.84, 65,042.95 and 13,374.61 is: 20,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.84 : 65,042.95 = 13,374.61 : x
  2. Step 2: Convert to fraction form
    43,357.84/65,042.95 = 13,374.61/x
  3. Step 3: Cross multiply
    43,357.84x = 65,042.95 × 13,374.61
  4. Step 4: Simplify right side
    43,357.84x = 869,923,797.72
  5. Step 5: Solve for x
    x = 869,923,797.72/43,357.84
  6. Step 6: Final answer
    x = 20,063.82

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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.