Home / 52,772.20-79,158.30-33,111.40

Finding the Fourth Proportional to 52,772.20, 79,158.30 and 33,111.40

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Solution

The fourth proportional to 52,772.20, 79,158.30 and 33,111.40 is: 49,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.20 : 79,158.30 = 33,111.40 : x
  2. Step 2: Convert to fraction form
    52,772.20/79,158.30 = 33,111.40/x
  3. Step 3: Cross multiply
    52,772.20x = 79,158.30 × 33,111.40
  4. Step 4: Simplify right side
    52,772.20x = 2,621,042,134.62
  5. Step 5: Solve for x
    x = 2,621,042,134.62/52,772.20
  6. Step 6: Final answer
    x = 49,667.10

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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.