Home / 55,724.20-83,586.30-52,662.40

Finding the Fourth Proportional to 55,724.20, 83,586.30 and 52,662.40

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Solution

The fourth proportional to 55,724.20, 83,586.30 and 52,662.40 is: 78,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.20 : 83,586.30 = 52,662.40 : x
  2. Step 2: Convert to fraction form
    55,724.20/83,586.30 = 52,662.40/x
  3. Step 3: Cross multiply
    55,724.20x = 83,586.30 × 52,662.40
  4. Step 4: Simplify right side
    55,724.20x = 4,401,855,165.12
  5. Step 5: Solve for x
    x = 4,401,855,165.12/55,724.20
  6. Step 6: Final answer
    x = 78,993.60

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1.5x scale

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.