Home / 43,905.14-65,856.86-17,615.78

Finding the Fourth Proportional to 43,905.14, 65,856.86 and 17,615.78

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Solution

The fourth proportional to 43,905.14, 65,856.86 and 17,615.78 is: 26,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.14 : 65,856.86 = 17,615.78 : x
  2. Step 2: Convert to fraction form
    43,905.14/65,856.86 = 17,615.78/x
  3. Step 3: Cross multiply
    43,905.14x = 65,856.86 × 17,615.78
  4. Step 4: Simplify right side
    43,905.14x = 1,160,119,957.25
  5. Step 5: Solve for x
    x = 1,160,119,957.25/43,905.14
  6. Step 6: Final answer
    x = 26,423.33

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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.