Home / 52,731.80-79,057.20-26,455.40

Finding the Fourth Proportional to 52,731.80, 79,057.20 and 26,455.40

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Solution

The fourth proportional to 52,731.80, 79,057.20 and 26,455.40 is: 39,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.80 : 79,057.20 = 26,455.40 : x
  2. Step 2: Convert to fraction form
    52,731.80/79,057.20 = 26,455.40/x
  3. Step 3: Cross multiply
    52,731.80x = 79,057.20 × 26,455.40
  4. Step 4: Simplify right side
    52,731.80x = 2,091,489,848.88
  5. Step 5: Solve for x
    x = 2,091,489,848.88/52,731.80
  6. Step 6: Final answer
    x = 39,662.78

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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.