Home / 52,829.64-79,244.32-13,386.64

Finding the Fourth Proportional to 52,829.64, 79,244.32 and 13,386.64

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Solution

The fourth proportional to 52,829.64, 79,244.32 and 13,386.64 is: 20,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.64 : 79,244.32 = 13,386.64 : x
  2. Step 2: Convert to fraction form
    52,829.64/79,244.32 = 13,386.64/x
  3. Step 3: Cross multiply
    52,829.64x = 79,244.32 × 13,386.64
  4. Step 4: Simplify right side
    52,829.64x = 1,060,815,183.88
  5. Step 5: Solve for x
    x = 1,060,815,183.88/52,829.64
  6. Step 6: Final answer
    x = 20,079.92

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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.