Home / 101,821.02-152,780.13-49,201.26

Finding the Fourth Proportional to 101,821.02, 152,780.13 and 49,201.26

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Solution

The fourth proportional to 101,821.02, 152,780.13 and 49,201.26 is: 73,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,821.02 : 152,780.13 = 49,201.26 : x
  2. Step 2: Convert to fraction form
    101,821.02/152,780.13 = 49,201.26/x
  3. Step 3: Cross multiply
    101,821.02x = 152,780.13 × 49,201.26
  4. Step 4: Simplify right side
    101,821.02x = 7,516,974,898.96
  5. Step 5: Solve for x
    x = 7,516,974,898.96/101,821.02
  6. Step 6: Final answer
    x = 73,825.37

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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.