Home / 43,856.35-65,785.14-14,274.34

Finding the Fourth Proportional to 43,856.35, 65,785.14 and 14,274.34

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Solution

The fourth proportional to 43,856.35, 65,785.14 and 14,274.34 is: 21,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,856.35 : 65,785.14 = 14,274.34 : x
  2. Step 2: Convert to fraction form
    43,856.35/65,785.14 = 14,274.34/x
  3. Step 3: Cross multiply
    43,856.35x = 65,785.14 × 14,274.34
  4. Step 4: Simplify right side
    43,856.35x = 939,039,455.31
  5. Step 5: Solve for x
    x = 939,039,455.31/43,856.35
  6. Step 6: Final answer
    x = 21,411.71

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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.