Home / 137,772.78-206,678.61-49,000.02

Finding the Fourth Proportional to 137,772.78, 206,678.61 and 49,000.02

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Solution

The fourth proportional to 137,772.78, 206,678.61 and 49,000.02 is: 73,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,772.78 : 206,678.61 = 49,000.02 : x
  2. Step 2: Convert to fraction form
    137,772.78/206,678.61 = 49,000.02/x
  3. Step 3: Cross multiply
    137,772.78x = 206,678.61 × 49,000.02
  4. Step 4: Simplify right side
    137,772.78x = 10,127,256,023.57
  5. Step 5: Solve for x
    x = 10,127,256,023.57/137,772.78
  6. Step 6: Final answer
    x = 73,506.94

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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.