Home / 106,072.76-159,004.02-49,812.15

Finding the Fourth Proportional to 106,072.76, 159,004.02 and 49,812.15

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Solution

The fourth proportional to 106,072.76, 159,004.02 and 49,812.15 is: 74,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,072.76 : 159,004.02 = 49,812.15 : x
  2. Step 2: Convert to fraction form
    106,072.76/159,004.02 = 49,812.15/x
  3. Step 3: Cross multiply
    106,072.76x = 159,004.02 × 49,812.15
  4. Step 4: Simplify right side
    106,072.76x = 7,920,332,094.84
  5. Step 5: Solve for x
    x = 7,920,332,094.84/106,072.76
  6. Step 6: Final answer
    x = 74,668.86

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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.