Home / 66,406.20-99,609.30-24,847.80

Finding the Fourth Proportional to 66,406.20, 99,609.30 and 24,847.80

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Solution

The fourth proportional to 66,406.20, 99,609.30 and 24,847.80 is: 37,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,406.20 : 99,609.30 = 24,847.80 : x
  2. Step 2: Convert to fraction form
    66,406.20/99,609.30 = 24,847.80/x
  3. Step 3: Cross multiply
    66,406.20x = 99,609.30 × 24,847.80
  4. Step 4: Simplify right side
    66,406.20x = 2,475,071,964.54
  5. Step 5: Solve for x
    x = 2,475,071,964.54/66,406.20
  6. Step 6: Final answer
    x = 37,271.70

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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.