Home / 115,516.65-173,200.05-48,938.70

Finding the Fourth Proportional to 115,516.65, 173,200.05 and 48,938.70

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Solution

The fourth proportional to 115,516.65, 173,200.05 and 48,938.70 is: 73,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,516.65 : 173,200.05 = 48,938.70 : x
  2. Step 2: Convert to fraction form
    115,516.65/173,200.05 = 48,938.70/x
  3. Step 3: Cross multiply
    115,516.65x = 173,200.05 × 48,938.70
  4. Step 4: Simplify right side
    115,516.65x = 8,476,185,286.94
  5. Step 5: Solve for x
    x = 8,476,185,286.94/115,516.65
  6. Step 6: Final answer
    x = 73,376.31

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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.