Home / 43,579.40-60,143.64-25,679.96

Finding the Fourth Proportional to 43,579.40, 60,143.64 and 25,679.96

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Solution

The fourth proportional to 43,579.40, 60,143.64 and 25,679.96 is: 35,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.40 : 60,143.64 = 25,679.96 : x
  2. Step 2: Convert to fraction form
    43,579.40/60,143.64 = 25,679.96/x
  3. Step 3: Cross multiply
    43,579.40x = 60,143.64 × 25,679.96
  4. Step 4: Simplify right side
    43,579.40x = 1,544,486,269.45
  5. Step 5: Solve for x
    x = 1,544,486,269.45/43,579.40
  6. Step 6: Final answer
    x = 35,440.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.