Home / 54,903.60-82,355.16-13,350.72

Finding the Fourth Proportional to 54,903.60, 82,355.16 and 13,350.72

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Solution

The fourth proportional to 54,903.60, 82,355.16 and 13,350.72 is: 20,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.60 : 82,355.16 = 13,350.72 : x
  2. Step 2: Convert to fraction form
    54,903.60/82,355.16 = 13,350.72/x
  3. Step 3: Cross multiply
    54,903.60x = 82,355.16 × 13,350.72
  4. Step 4: Simplify right side
    54,903.60x = 1,099,500,681.72
  5. Step 5: Solve for x
    x = 1,099,500,681.72/54,903.60
  6. Step 6: Final answer
    x = 20,026.02

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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.