Home / 45,815.42-68,767.50-22,139.64

Finding the Fourth Proportional to 45,815.42, 68,767.50 and 22,139.64

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Solution

The fourth proportional to 45,815.42, 68,767.50 and 22,139.64 is: 33,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.42 : 68,767.50 = 22,139.64 : x
  2. Step 2: Convert to fraction form
    45,815.42/68,767.50 = 22,139.64/x
  3. Step 3: Cross multiply
    45,815.42x = 68,767.50 × 22,139.64
  4. Step 4: Simplify right side
    45,815.42x = 1,522,487,693.70
  5. Step 5: Solve for x
    x = 1,522,487,693.70/45,815.42
  6. Step 6: Final answer
    x = 33,230.90

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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.