Home / 49,516.34-74,273.63-45,659.40

Finding the Fourth Proportional to 49,516.34, 74,273.63 and 45,659.40

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Solution

The fourth proportional to 49,516.34, 74,273.63 and 45,659.40 is: 68,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,516.34 : 74,273.63 = 45,659.40 : x
  2. Step 2: Convert to fraction form
    49,516.34/74,273.63 = 45,659.40/x
  3. Step 3: Cross multiply
    49,516.34x = 74,273.63 × 45,659.40
  4. Step 4: Simplify right side
    49,516.34x = 3,391,289,260.05
  5. Step 5: Solve for x
    x = 3,391,289,260.05/49,516.34
  6. Step 6: Final answer
    x = 68,488.29

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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.