Home / 52,785.64-79,181.18-13,343.10

Finding the Fourth Proportional to 52,785.64, 79,181.18 and 13,343.10

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Solution

The fourth proportional to 52,785.64, 79,181.18 and 13,343.10 is: 20,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.64 : 79,181.18 = 13,343.10 : x
  2. Step 2: Convert to fraction form
    52,785.64/79,181.18 = 13,343.10/x
  3. Step 3: Cross multiply
    52,785.64x = 79,181.18 × 13,343.10
  4. Step 4: Simplify right side
    52,785.64x = 1,056,522,402.86
  5. Step 5: Solve for x
    x = 1,056,522,402.86/52,785.64
  6. Step 6: Final answer
    x = 20,015.34

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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.