Home / 60,622.20-90,933.30-47,986.20

Finding the Fourth Proportional to 60,622.20, 90,933.30 and 47,986.20

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Solution

The fourth proportional to 60,622.20, 90,933.30 and 47,986.20 is: 71,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,622.20 : 90,933.30 = 47,986.20 : x
  2. Step 2: Convert to fraction form
    60,622.20/90,933.30 = 47,986.20/x
  3. Step 3: Cross multiply
    60,622.20x = 90,933.30 × 47,986.20
  4. Step 4: Simplify right side
    60,622.20x = 4,363,543,520.46
  5. Step 5: Solve for x
    x = 4,363,543,520.46/60,622.20
  6. Step 6: Final answer
    x = 71,979.30

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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.