Home / 57,271.20-79,015.88-34,616.90

Finding the Fourth Proportional to 57,271.20, 79,015.88 and 34,616.90

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Solution

The fourth proportional to 57,271.20, 79,015.88 and 34,616.90 is: 47,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.20 : 79,015.88 = 34,616.90 : x
  2. Step 2: Convert to fraction form
    57,271.20/79,015.88 = 34,616.90/x
  3. Step 3: Cross multiply
    57,271.20x = 79,015.88 × 34,616.90
  4. Step 4: Simplify right side
    57,271.20x = 2,735,284,816.37
  5. Step 5: Solve for x
    x = 2,735,284,816.37/57,271.20
  6. Step 6: Final answer
    x = 47,760.21

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1.5x scale

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.