Home / 56,271.20-77,662.68-35,057.30

Finding the Fourth Proportional to 56,271.20, 77,662.68 and 35,057.30

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Solution

The fourth proportional to 56,271.20, 77,662.68 and 35,057.30 is: 48,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,271.20 : 77,662.68 = 35,057.30 : x
  2. Step 2: Convert to fraction form
    56,271.20/77,662.68 = 35,057.30/x
  3. Step 3: Cross multiply
    56,271.20x = 77,662.68 × 35,057.30
  4. Step 4: Simplify right side
    56,271.20x = 2,722,643,871.56
  5. Step 5: Solve for x
    x = 2,722,643,871.56/56,271.20
  6. Step 6: Final answer
    x = 48,384.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.