Home / 49,280.82-74,010.30-45,528.56

Finding the Fourth Proportional to 49,280.82, 74,010.30 and 45,528.56

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Solution

The fourth proportional to 49,280.82, 74,010.30 and 45,528.56 is: 68,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.82 : 74,010.30 = 45,528.56 : x
  2. Step 2: Convert to fraction form
    49,280.82/74,010.30 = 45,528.56/x
  3. Step 3: Cross multiply
    49,280.82x = 74,010.30 × 45,528.56
  4. Step 4: Simplify right side
    49,280.82x = 3,369,582,384.17
  5. Step 5: Solve for x
    x = 3,369,582,384.17/49,280.82
  6. Step 6: Final answer
    x = 68,375.13

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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.