Home / 45,631.38-68,280.55-26,920.38

Finding the Fourth Proportional to 45,631.38, 68,280.55 and 26,920.38

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Solution

The fourth proportional to 45,631.38, 68,280.55 and 26,920.38 is: 40,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.38 : 68,280.55 = 26,920.38 : x
  2. Step 2: Convert to fraction form
    45,631.38/68,280.55 = 26,920.38/x
  3. Step 3: Cross multiply
    45,631.38x = 68,280.55 × 26,920.38
  4. Step 4: Simplify right side
    45,631.38x = 1,838,138,523.31
  5. Step 5: Solve for x
    x = 1,838,138,523.31/45,631.38
  6. Step 6: Final answer
    x = 40,282.33

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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.