Home / 55,845.12-83,763.57-16,405.30

Finding the Fourth Proportional to 55,845.12, 83,763.57 and 16,405.30

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Solution

The fourth proportional to 55,845.12, 83,763.57 and 16,405.30 is: 24,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.12 : 83,763.57 = 16,405.30 : x
  2. Step 2: Convert to fraction form
    55,845.12/83,763.57 = 16,405.30/x
  3. Step 3: Cross multiply
    55,845.12x = 83,763.57 × 16,405.30
  4. Step 4: Simplify right side
    55,845.12x = 1,374,166,494.92
  5. Step 5: Solve for x
    x = 1,374,166,494.92/55,845.12
  6. Step 6: Final answer
    x = 24,606.74

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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.